Blackhead (noun)

A small, dark, raised spot on the skin caused by a blocked sebaceous gland.

Origin:

Late 18th century: black + head.

Examples:

1. She had a blackhead on her nose that she couldn't seem to get rid of.
2. Blackheads are a common form of acne that can appear on the face and body.
3. The blackhead was removed using a comedone extractor.
4. Blackheads are caused by a buildup of oil and dead skin cells in the pores.
5. The blackhead was a sign of an obstructed hair follicle.