from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Medicine A plug of keratin and sebum within a hair follicle that is blackened at the surface. Also called comedo.
- n. 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. Also called enterohepatitis, histomoniasis, infectious enterohepatitis.
- n. Any of various birds, such as the scaup, with dark head markings.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesy keratin-filled substance forming a hard black "head" on the skin's surface.
- n. A scaup: a kind of duck.
from the GNU version of the Collaborative International Dictionary of English
- n. The scaup duck.
from The Century Dictionary and Cyclopedia
- n. 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.
- n. A local name in the United States of the black-headed minnow, or fathead, Pimphales promelas.
- n. In entomology, the larva of an American tortricid moth, Eudemis vacciniana, which feeds on the leaves of the cranberry. Also called fire-worm.
- n. A common name for comedo. See comedo.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a black-tipped plug clogging a pore of the skin
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.
When open, the plug is called a blackhead, closed, a whitehead.
The deeply-entrenched secretion then goes through a process of chemical change, making it appear black (what we know as "blackhead").
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.
A blackhead is a pore that’s plugged with keratin.
It is best to employ gentle methods of removal, such as blackhead removal strips and products designed to dry them up.
'blackhead', whereas the closed comedo is commonly referred to as a 'whitehead'.
Does he periodically examine you under a bright light or preferably in sunlight, with a thermometer in hand to gauge the level of your softness down there, checking you for any sprouting blackhead, whitehead, or pimple do these even appear down there? or, horror of horrors, imagine an extra out-of-place, unruly, curly hair.
Honey is extremely beneficial for the skin, aids in blackhead removal, and can be included in just about any facial mask or scrub you make.
The T-zone is where the pores produce the most oil and pores tend toward blackhead formation.