| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
acne (ˈæknɪ) ![]() | |
| —n | |
| See also rosacea Also called: acne vulgaris a chronic skin disease common in adolescence, involving inflammation of the sebaceous glands and characterized by pustules on the face, neck, and upper trunk | |
| [C19: New Latin, from a misreading of Greek akmē eruption on the face. See | |
acne ac·ne (āk'nē)
n.
An inflammatory disease of the sebaceous glands and hair follicles of the skin that is marked by the eruption of pimples or pustules, especially on the face.
| acne (āk'nē) Pronunciation Key
An inflammatory disease of the skin in which the sebaceous glands become clogged and infected, often causing the formation of pimples, especially on the face. It is most common during adolescence, but also occurs in infants and adults. |