what acne means

a skin condition characterized by red pimples on the skin, especially on the face, due to inflamed or infected sebaceous glands and prevalent chiefly among adolescents.

Acne is a common skin disease characterized by pimples on the face, chest, and back. It occurs when the pores of the skin become clogged with oil, dead skin cells, and bacteria.

An inflammatory follicular, papular, and pustular eruption involving the pilosebaceous apparatus.
See also: acne vulgaris.