| Word | Definitions | Synonyms |
|---|---|---|
| sebaceous | (adjective) containing an unusual amount of grease or oil | Synonyms: greasy, oily, oleaginous |
| seborrhea | (noun) a condition in which overactivity of the sebaceous glands causes the skin to become oily | - |
| sebum | (noun) the oily secretion of the sebaceous glands; with perspiration it moistens and protects the skin | - |