From The Collaborative International Dictionary of English v.0.48 [gcide]:
acne \ac"ne\ ([a^]k"n[-e]), noun [NL., prob. a corruption of Gr. 'akmh'.] (Med.) Inflammation of the sebaceous glands that are associated with hair follicles, leading to visible comedones and pimples, especially on the face, back, and chest. [1913 Webster + AS]
From WordNet (r) 3.0 (2006) [wn]:
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