From Longman Dictionary of Contemporary Englishblackheadblack‧head /ˈblækhed/ noun [countable] MIDCBa small dark spot on the skin, with a black centre
Examples from the Corpus
blackhead• I wondered if he knew he had a blackhead.• They contain, rather like a blackhead, a plug of material which can be expressed if the lesion is squeezed.• He was still suffering from blackheads and other rash problems which jolted his vanity every time he looked in the mirror.• Some cleansers help loosen simple blackheads, but are unsuitable for whiteheads, inflamed pimples or cysts. 