| OCM | oral contraceptive medication |
|---|---|
| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| OES | oral esophageal stethoscope; optical emission spectroscopy |
| OGTT | oral glucose tolerance test |
| oil glands | Numerous holocrine glands in the dermis that usually open into the hair follicles and secrete an oily semifluid sebum. Synonym: glandulae sebaceae, oil glands, sebaceous follicles. (05 Mar 2000) |
|---|---|
| oil of American wormseed | Volatile oil from the fresh above ground part of the flower, American wormseed, Chenopodium ambrosioides, or C. Anthelminticum. Used as an anthelmintic. Synonym: oil of American wormseed. (05 Mar 2000) |
| oil of anise | Volatile oil derived from the dried ripe fruit of Pimpinella anisum (family Umbelliferae) or of Illicium verum, (family Magnoliaceae) (Chinese star anise); has a characteristic anise aroma, resembling fennel. Used in manufacture of liqueurs, and as flavoring for candies, cookies, dentifrices. Pharmaceutical aid (flavor). Carminative. (05 Mar 2000) |
| oil of bay | Volatile oil derived by steam distillation of the dried leaves of Pimenta (Myrcia) acris (family Myrtaceae); oil of myrcia; used as an aromatic in the manufacture of bay rum and as a pharmaceutical aid. (05 Mar 2000) |
| oil of bergamot | Volatile oil derived by steam distillation from the rind of the fresh fruit of Citrus aurantium or C. Bergamia; contains l-linalyl acetate, l-linalool; d-limonene, dipentene, bergaptene; used as a deodorant in preparations containing malodorous ingredients and as an aromatic in perfumes, hairdressings, and pomades. (05 Mar 2000) |
| oil of bitter almond | Volatile oil from the dried ripe kernels of bitter almonds or from other kernels containing amygdalin, such as apricots, peaches, plums and cherries; obtained by steam distillation subsequent to maceration of the source with water. Formerly used as an antipruritic; poisonous-releases hydrocyanic acid (hydrogen cyanide). Only the oil free of hydrogen cyanide may be used to flavor liquors and foods. (05 Mar 2000) |
| oil of bitter orange | Volatile oil obtained by steam distillation from the fresh peel of Citrus aurantium (family Rutaceae). Aromatic material used as a flavoring agent in pharmaceuticals and foods and liquors; also used in perfumes. (05 Mar 2000) |
| oil of cardamom | Volatile oil obtained by steam distillation from the seeds of Elettaria cardamomum (family Zingiberacea.) A flavoring agent in pharmaceuticals (syrups), liquors, sauces, confections and baked goods; formerly used as a carminative. (05 Mar 2000) |
| oil of chenopodium | Volatile oil from the fresh above ground part of the flower, American wormseed, Chenopodium ambrosioides, or C. Anthelminticum. Used as an anthelmintic. Synonym: oil of American wormseed. (05 Mar 2000) |
| oil of cherry laurel | Volatile oil derived by steam distillation from Prunus laurocerasus (family Rosaceae); similar to oil of bitter almond; highly toxic due to hydrogen cyanide content. (05 Mar 2000) |
| oil of cinnamon | Volatile oil obtained by steam distillation from the leaves and twigs of Cinnamomum cassia (family Lauracea). A flavor in foods and perfumes. (05 Mar 2000) |
| oil of citronella | Volatile oil obtained by steam distillation of fresh lemon grass. Contains citranellol; used as an insect repellent either on the skin or in the form of incense; also used as a perfume. (05 Mar 2000) |
| oil of clove | Volatile oil obtained by steam distillation of the dried flower buds of Eugenia caryophyllata (family Myrtacea). Contains about 85% eugenol along with other constituents. Used in dentistry as a local anaesthetic and component of temporary fillings of the teeth. Also used to flavor foods; strong, pungent odour. Synonym: clove oil. (05 Mar 2000) |
| oil of coriander | Volatile oil from the dried ripe fruit of Coriandrum sativum (family Umbelliferae). Flavoring in foods and alcoholic beverages. (05 Mar 2000) |
| oil of crispmint | Volatile oil from the flowering tops of Mentha spicata (family Labiatae, pharmaceutical aid (flavor) and a carminative. Synonym: oil of crispmint, oil of curled mint. (05 Mar 2000) |