Aromatherapy and Essential Oil Glossary

A-Z Glossary

If you come across any unfamiliar terms, feel free to reach out to us! We're here to provide you with definitions and can even integrate them into our growing knowledge base for future reference.

1,8-Cineole

1,8-cineole is a naturally occurring organic compound found in certain essential oils. It possesses a fresh, minty aroma and is known for its potential therapeutic properties, including respiratory support and cognitive enhancement.

Absolute

An absolute is an aromatic substance obtained through solvent extraction from botanical materials. It is highly concentrated, capturing the complete fragrance profile of the plant. Absolutes are often used in perfumery and aromatherapy.

Adulterant

An adulterant is a substance intentionally added to an essential oil or other product to deceive or dilute its quality. Adulterants can be synthetic or inferior substitutes, compromising the purity and therapeutic benefits of the product.

Adulterated

Adulterated refers to a product, such as an essential oil, that has been contaminated or altered with inferior or synthetic substances. Adulteration can compromise the quality, safety, and efficacy of the product.

Antibiotic

An antibiotic is a substance that inhibits the growth of bacteria or destroys them. Antibiotics are commonly used in medicine to treat bacterial infections and prevent their spread.

Antidepressant

An antidepressant is a substance or treatment that helps alleviate symptoms of depression and improves mood. It works by regulating neurotransmitters in the brain and promoting a sense of well-being.

Anti-inflammatory

Anti-inflammatory substances reduce inflammation or swelling in the body. They can help alleviate pain, redness, and swelling associated with various conditions, including arthritis and skin irritations.

Antimicrobial

Antimicrobial substances have the ability to kill or inhibit the growth of microorganisms such as bacteria, fungi, and viruses. They are commonly used in hygiene and medical products to prevent infections.

Antioxidant

Antioxidants are compounds that help protect cells from damage caused by free radicals. They play a vital role in reducing oxidative stress and inflammation, and may have a positive impact on overall health and disease prevention.

Antiseptic

An antiseptic is a substance that prevents the growth of microorganisms and is used to clean wounds or disinfect surfaces. It helps reduce the risk of infection and promotes healing.

Antiviral

Antiviral substances have the ability to inhibit or destroy viruses. They are used in the prevention and treatment of viral infections, such as the flu or common cold.

Aromatic

Aromatic substances have a strong and pleasant smell. They are often used in perfumery, aromatherapy, and culinary applications for their fragrance and flavor-enhancing properties.

Aphrodisiac

An aphrodisiac is a substance believed to enhance sexual desire or performance. It may stimulate the senses, increase blood flow, or promote hormonal balance to support a healthy sexual experience.

Arthritis

Arthritis is a condition characterized by inflammation of one or more joints, resulting in pain, stiffness, and limited mobility. It can be caused by various factors and affects millions of people worldwide.

Aromatherapy

Aromatherapy is the practice of using essential oils and their aromas for therapeutic purposes. It involves inhaling or topically applying oils to promote relaxation, relieve stress, enhance mood, and support overall well-being.

Astringent

Astringents are substances that contract or tighten tissues. In skincare, they help reduce oiliness, minimize pore size, and promote a toned and balanced complexion.

Base Oil

Also known as a carrier oil, a base oil is a neutral oil used to dilute essential oils before applying them to the skin. Common base oils include jojoba oil, almond oil, and coconut oil, which provide nourishment and help spread essential oils evenly.

Bergaptene

Bergaptene is a naturally occurring compound found in certain essential oils, such as bergamot oil. It is known for its photosensitizing properties, meaning it can cause skin sensitivity and reactions when exposed to sunlight.

Blend

A blend refers to a mixture of two or more essential oils or other substances. Blends are often created to achieve specific therapeutic effects or to enhance the aroma of a product.

Botanical Name

The botanical name is the scientific name of a plant species. It is a standardized naming system used to identify and classify plants based on their characteristics and relationships.

Carrier Oil

Also known as a base oil, a carrier oil is a neutral oil used to dilute essential oils before applying them to the skin. Carrier oils help reduce the risk of skin irritation and facilitate the even distribution of essential oils.

Cellulite

Cellulite refers to the dimpled appearance of the skin, particularly on the thighs and buttocks. It is caused by the accumulation of fat deposits beneath the skin's surface and can be influenced by various factors such as genetics and lifestyle.

Cholesterol

Cholesterol is a waxy substance found in the body, mainly produced by the liver. It is essential for the production of hormones, vitamin D, and the proper functioning of cell membranes. However, high levels of cholesterol can increase the risk of cardiovascular diseases.

Cold Pressed

Cold pressing is an extraction method used to obtain oils from botanical materials. It involves mechanically pressing the materials without the use of heat or chemical solvents, ensuring the preservation of the oil's natural properties.

Compress

Compress refers to a method of applying a cloth soaked in essential oil-infused water or solution to a specific area of the body. It is often used to provide localized relief, reduce inflammation, or promote healing.

Constituent

A constituent refers to a component or chemical compound found in a larger substance. In the context of essential oils, constituents are the individual molecules responsible for their therapeutic properties and aroma.

Decongestant

A decongestant is a substance that helps relieve nasal or respiratory congestion. It works by reducing inflammation and narrowing blood vessels in the nasal passages, allowing for easier breathing.

Dermatitis

Dermatitis is the inflammation of the skin, characterized by redness, itching, and sometimes rash or blisters. It can be caused by various factors, including allergic reactions, irritants, or underlying skin conditions.

Diffuser

A diffuser is a device used to disperse essential oils into the air for aromatic purposes. It helps create a pleasant and therapeutic atmosphere in a room or space.

Diffusion

Diffusion refers to the process of dispersing essential oils into the air. It can be achieved through various methods, such as using a diffuser, inhalation, or adding oils to a spray bottle with water.

Digestive

Digestive substances or treatments aid in the digestion process by supporting the proper functioning of the digestive system. They can help alleviate digestive discomfort, promote nutrient absorption, and improve overall digestive health.

Dilute

Dilution refers to the act of reducing the concentration of a substance by adding a solvent or carrier oil. In the context of essential oils, dilution is often recommended to minimize the risk of skin irritation and sensitization.

Disinfectant

A disinfectant is a substance that kills or inhibits the growth of microorganisms on surfaces. It is commonly used for cleaning purposes to reduce the risk of infections and maintain hygiene.

Dispersant

A dispersant is an agent that helps distribute essential oils evenly in a liquid or blend. It ensures that the oils remain well mixed and do not separate over time.

Distillation

Distillation is a method of extracting essential oils from botanical materials. It involves heating the materials and collecting the condensed vapor, which contains the essential oil and water.

Distillate

A distillate is the condensed liquid produced during the distillation process. It contains the essential oil andwater components of the botanical material. Distillates are often used in skincare and as aromatic waters, such as rose water or lavender water.

Endometriosis

Endometriosis is a condition in which tissue similar to the lining of the uterus grows outside the uterus, commonly causing pain and fertility issues. It can affect various organs in the pelvic region and requires medical management.

Enfleurage

Enfleurage is a traditional extraction method used to capture aromatic compounds from botanical materials. It involves using odorless fats or oils to absorb the fragrance of the plants, resulting in highly aromatic products such as solid perfumes or pomades.

Enzyme

Enzymes are proteins that act as catalysts in biochemical reactions in the body. They facilitate various physiological processes, such as digestion, metabolism, and cellular repair.

Essential Oil

Essential oils are highly concentrated aromatic compounds extracted from plants. They are obtained through various methods, such as steam distillation, cold pressing, or solvent extraction. Essential oils are known for their therapeutic properties and are used in aromatherapy, skincare, and natural remedies.

Essential Fatty Acids

Essential fatty acids are fatty acids that are necessary for the proper functioning of the body but cannot be produced by the body itself. They must be obtained through the diet and play important roles in various bodily processes, including cell function and inflammation regulation.

Expectorant

An expectorant is a substance that helps promote the expulsion of mucus from the respiratory system. It aids in clearing congestion and relieving cough by thinning and loosening mucus, making it easier to cough up.

Expression

Expression is a method of extracting essential oils from citrus peels by mechanically squeezing or pressing them. This process releases the aromatic compounds contained in the peel's oil sacs, resulting in the capture of the citrus oils.

Extraction Method

Extraction method refers to the specific process used to obtain essential oils or other substances from botanical materials. Common extraction methods include distillation, cold pressing, solvent extraction, and enfleurage.

Febrifuge

A febrifuge is a substance that helps reduce fever. It can have antipyretic properties, helping to lower body temperature and provide relief from fever-related symptoms.

Fixative

A fixative is a substance used in perfumery to slow down the evaporation of volatile aromatic compounds, thus prolonging the fragrance's longevity. Fixatives help anchor and stabilize the aroma, allowing it to last longer on the skin or in a perfume blend.

Fixed Oil

Fixed oil refers to a non-volatile oil derived from plants, often used for nourishing and moisturizing the skin. Examples of fixed oils include olive oil, coconut oil, and almond oil, which are commonly used as carrier oils in aromatherapy and skincare.

Flatulence

Flatulence refers to the excessive production of gas in the digestive system, resulting in bloating, discomfort, and the passing of gas. Flatulence can be caused by various factors, including diet, digestive issues, or swallowing air.

Fungicidal

Fungicidal substances have the ability to kill or inhibit the growth of fungi. They are used in the treatment of fungal infections and in the prevention of fungal growth in various environments.

Floral Water

Floral water, also known as hydrosol or flower water, is the byproduct of the distillation process used to extract essential oils. It contains the water-soluble components and subtle aroma of the botanical material, offering a milder alternative to essential oils for skincare and aromatic applications.

Fragrance Oils

Fragrance oils are synthetic or natural oils used to add fragrance to products. While they can mimic the aroma of essential oils, fragrance oils do not possess the same therapeutic properties.

Gastritis

Gastritis isinflammation of the stomach lining, often caused by infection, excessive alcohol consumption, or prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs). It can cause symptoms such as stomach pain, nausea, vomiting, and indigestion.

Gout

Gout is a type of arthritis characterized by the sudden and severe inflammation of joints, most commonly affecting the big toe. It is caused by the buildup of uric acid crystals in the joints, leading to pain, swelling, redness, and stiffness.

Haemorrhoids

Haemorrhoids, also known as piles, are swollen and inflamed blood vessels in the rectum or anus. They can cause discomfort, itching, pain, and bleeding during bowel movements.

Herbally Infused Oil

Herbally infused oil is a carrier oil infused with the properties of herbs through a maceration process. The oil absorbs the beneficial compounds from the herbs, making it suitable for topical applications and natural remedies.

Herpes

Herpes is a viral infection caused by the herpes simplex virus (HSV). It can cause painful blisters or sores, usually on the lips (oral herpes) or genitals (genital herpes).

Hormone

Hormones are chemical messengers produced by various glands in the body. They regulate various bodily functions, including growth, metabolism, reproduction, and mood.

Hydrosol

Hydrosol, also known as floral water or flower water, is the byproduct of the distillation process used to extract essential oils. It contains the water-soluble components and subtle aroma of the botanical material, offering a milder alternative to essential oils for skincare and aromatic applications.

Hypertension

Hypertension, also known as high blood pressure, is a chronic condition characterized by elevated blood pressure levels. It is a risk factor for various cardiovascular diseases and can be managed through lifestyle changes and medication.

Ingestion

Ingestion refers to the act of consuming a substance orally. It can involve swallowing food, liquids, or supplements, including essential oils or herbal preparations.

Inhalation

Inhalation is the act of breathing in aromatic substances or vapors. It is a common method of using essential oils for their therapeutic benefits, as the aroma can be inhaled directly or through diffusion.

Infused Oil

Infused oil refers to a carrier oil infused with the properties of herbs or other botanical materials through a maceration process. The oil absorbs the beneficial compounds from the infused material, making it suitable for topical applications and natural remedies.

Infusion

Infusion is a method of extracting the properties of botanical materials by steeping them in a liquid, typically hot water or oil. The liquid absorbs the beneficial compounds from the botanicals, resulting in an infused solution suitable for various applications.

Insecticide

An insecticide is a substance that kills or repels insects. It is used to control insect populations and prevent damage to crops, buildings, or personal spaces.

Insomnia

Insomnia is a sleep disorder characterized by difficulty falling asleep or staying asleep. It can result in daytime fatigue, irritability, and impaired functioning.

Insoluble

Insoluble refers to a substance that does not dissolve in a particular solvent or liquid. It remains in a solid or separate state when added to the solvent.

Latin Name

The Latin name is the scientific name of a plant species, often written in Latin. It is a standardized naming system used to identify and classify plants based on their characteristics and relationships.

Laxative

A laxative is a substance that promotes bowel movements and relieves constipation. It helps soften the stool, improve intestinal motility, and facilitate easier elimination.

Lymphatic

Lymphatic refers to the lymphatic system, which is a network of vessels, nodes, and organs involved in immune function and the circulation of lymph fluid. The lymphatic system helps remove waste, toxins, and pathogens from the body, playing a crucial role in maintaining overall health.

Massage Therapy

Massage therapy is a therapeutic practice that involves manipulating muscles and soft tissues to promote relaxation, relieve tension, and improve overall well-being. It can help reduce stress, alleviate muscle pain, improve circulation, and enhance the body-mind connection.

Microbe

A microbe is a microorganism, such as a bacterium, virus, fungus, or protozoan. Microbes play essential roles in various ecosystems, including the human body, and can have both beneficial and harmful effects on health.

Neat

Neat refers to the use of undiluted essential oils directly on the skin. It is often recommended to dilute essential oils with a carrier oil to minimize the risk of skin irritation and sensitization.

Nebulizer

A nebulizer is a device that converts liquid essential oils into a fine mist or vapor for inhalation. It allows for targeted and efficient delivery of essential oil particles into the respiratory system.

Nervine

A nervine is a substance that calms and soothes the nerves. It can help reduce anxiety, nervous tension, and promote relaxation.

Notes

In the context of essential oils, notes refer to the different scent characteristics or aromatic components of an oil. Notes are categorized as top notes (quickly evaporating, light aromas), middle notes (moderate evaporation, balancing aromas), and base notes (slow evaporation, deep and grounding aromas).

Oestrogen

Oestrogen, also spelled estrogen, is a group of female sex hormones that play a vital role in the development and regulation of the female reproductive system. They are responsible for various physiological processes, including menstrual cycles, pregnancy, and bone health.

Oleoresin

Oleoresin is a semi-solid or resinous substance that contains both volatile and non-volatile components of a plant. It is often used in culinary applications, as a flavoring agent, or as a base for making extracts and tinctures.

Oxidation/Oxidized

Oxidation refers to a chemical reaction in which a substance reacts with oxygen, resulting in changes in its properties. In the context of essential oils, oxidation can lead to a loss of aroma, degradation of therapeutic properties, and potential skin sensitization.

Patch Test

A patch test is a method used to test a small amount of a substance on the skin to check for allergic reactions or skin sensitivity. It involves applying the substance to a small area of the skin and observing any adverse reactions over a period of time.

Perfume Oils

Perfume oils are oils used to create fragrances. They can be synthetic or natural and are formulated to capture specific scents and aromas. Perfume oils are commonly used in perfumery and cosmetic products.

Pipette

A pipette is a small glass or plastic tube used to transfer small amounts of liquids accurately. It is commonly used in laboratory settings and aromatherapy practices for precise measurements.

Phototoxic

Phototoxic refers to substances, such as certain essential oils, that can cause skin sensitization or burns when exposed to sunlight or ultraviolet (UV) radiation. It is important to avoid direct sunlight or UV exposure after applying phototoxic substances to the skin.

Potpourri

Potpourri refers to a mixture of dried flowers, herbs, and other aromatic ingredients used to add fragrance to a space. It can be placed in bowls or sachets to emit a pleasant aroma in a room.

Psoriasis

Psoriasis is a chronic autoimmune condition characterized by red, scaly patches on the skin. It occurs when the immune system mistakenly attacks healthy skin cells, causing anaccelerated skin cell turnover and inflammation.

Phytotherapy

Phytotherapy, also known as herbal medicine or herbalism, is the therapeutic use of plants and plant extracts to prevent and treat various health conditions. It utilizes the medicinal properties of herbs to support the body's natural healing processes.

Rectification

Rectification is the process of purifying or refining essential oils through distillation or other methods. It helps remove impurities, unwanted compounds, or undesirable odors, resulting in a more refined and standardized oil.

Resin (Natural)

Natural resin refers to a sticky or semi-solid substance produced by certain plants. Resins often contain aromatic compounds and are used in incense, perfumes, and traditional medicine for their therapeutic properties.

Resolvent

Resolvent substances have the ability to dissolve or eliminate certain substances or conditions in the body. They are often used to promote detoxification, clear congestion, or resolve internal imbalances.

Restorative

Restorative substances have the ability to restore or promote physical or mental well-being. They provide nourishment, rejuvenation, and support the body's natural healing processes.

Sciatica

Sciatica is a condition characterized by pain that radiates along the path of the sciatic nerve, which runs from the lower back through the hips and down each leg. It can cause sharp or shooting pain, numbness, or tingling sensations.

Single Oil

Single oil refers to an essential oil that is derived from a single plant species, rather than a blend. Single oils retain the distinctive properties and aroma of the specific plant they are extracted from.

Soluble

Soluble refers to a substance that is capable of being dissolved in a particular solvent or liquid. When a substance is soluble, it forms a homogenous solution in the solvent.

Solvent

A solvent is a substance capable of dissolving or dispersing other substances. In the context of essential oils, solvents can be used in extraction methods to extract aromatic compounds from botanical materials.

Synthetic

Synthetic refers to something that is artificially created or manufactured, rather than naturally occurring. In the context of essential oils, synthetic oils are created to mimic the aroma of natural oils but do not possess the same therapeutic properties.

Taxonomy

Taxonomy is the science of classification and categorization of organisms, including plants, based on their characteristics and relationships. It involves organizing and naming plants according to their shared traits and evolutionary relationships.

Therapeutic

Therapeutic refers to something that relates to the treatment or healing of a medical condition or promotes overall well-being. In the context of essential oils, therapeutic properties refer to the potential health benefits and therapeutic effects they may have.

Therapeutic Grade

Therapeutic grade is a term used to indicate that an essential oil or other product meets certain quality standards for therapeutic use. It implies that the oil has been produced and tested to ensure purity, potency, and consistent therapeutic properties.

Tincture

A tincture is a concentrated herbal extract typically made by steeping plant material in alcohol or another solvent. Tinctures preserve the medicinal properties of the plants and are often used for internal or external application.

Topical

Topical refers to the application of a substance directly onto the skin. Topical application is a common method of using essential oils for localized effects or skincare purposes.

Uterine

Uterine refers to the uterus or the female reproductive system. Substances or treatments that are uterine in nature affect or target the uterus or its functions.

Vermifuge

A vermifuge is a substance that helps expel or kill intestinal parasites, such as worms. It is used to treat parasitic infections and support gastrointestinal health.

Viscosity

Viscosity refers to the thickness or consistency of a liquid. In the context of essential oils, viscosity can varyfrom thin and watery to thick and syrupy, affecting their ease of flow and application.

Volatile

Volatile substances have a high vapor pressure and readily evaporate at normal temperatures. In the context of essential oils, volatile compounds are responsible for their characteristic aromas and the ability to disperse quickly into the air.

Volatilization

Volatilization is the process of evaporating or vaporizing a substance. In the context of essential oils, volatilization refers to the release of aromatic compounds into the air, typically through heat, diffusion, or agitation.