Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A skin lesion consisting of a hair follicle that is occluded with sebum and keratin, appearing black at the surface.
- noun An infectious disease of turkeys and some wildfowl that is caused by a protozoan (Histomonas meleagridis) and results in lesions of the intestine and liver.
- noun Any of various birds, such as the scaup, with dark head markings.
from The Century Dictionary.
- noun In entomology, the larva of an American tortricid moth, Eudemis vacciniana, which feeds on the leaves of the cranberry. Also called
fire-worm . - noun A common name for comedo. See
comedo . - noun A popular name of the scaups or sea-ducks of the genus Aithyia: as, the greater and lesser blackheads, A. marila and A. affinis. See
scaup . - noun A local name in the United States of the black-headed minnow, or fathead, Pimphales promelas.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) The scaup duck.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine A
comedo , a skin blemish, a type ofacne vulgaris , where a pore becomes clogged with a dark, hard, cheesy keratin-filled substance forming a hard black "head" on the skin's surface. - noun A
scaup : a kind ofduck .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a black-tipped plug clogging a pore of the skin
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Extractions of active acne whether it is the pustule type we call a pimple or a comedone, which we refer to as a blackhead are tricky and unnecessary and can be unsafe too.
Simple Skin Beauty Ellen Marmur 2009
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Extractions of active acne whether it is the pustule type we call a pimple or a comedone, which we refer to as a blackhead are tricky and unnecessary and can be unsafe too.
Simple Skin Beauty Ellen Marmur 2009
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Extractions of active acne whether it is the pustule type we call a pimple or a comedone, which we refer to as a blackhead are tricky and unnecessary and can be unsafe too.
Simple Skin Beauty Ellen Marmur 2009
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When open, the plug is called a blackhead, closed, a whitehead.
WebMD Health 2009
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When open, the plug is called a blackhead, closed, a whitehead.
WebMD Health 2009
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The deeply-entrenched secretion then goes through a process of chemical change, making it appear black (what we know as "blackhead").
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And the racists in Sweden don't even go that far as to look at skin color: it is enough if your hair color is anything else than blond and you will be labeled a "blackhead" and supposed to be relegated to those functions you described as suitable for African_Americans according to the segregationist society of rural South Alabama of the 1950s.
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A blackhead is a pore that’s plugged with keratin.
Simple Skin Beauty Ellen Marmur 2009
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A blackhead is a pore that’s plugged with keratin.
Simple Skin Beauty Ellen Marmur 2009
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A blackhead is a pore that’s plugged with keratin.
Simple Skin Beauty Ellen Marmur 2009
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