blackhead
[ blak-hed ]
/ ˈblækˌhɛd /
noun
a small, black-tipped, fatty mass in a skin follicle, especially of the face; comedo.
Also called enterohepatitis. Veterinary Pathology. a malignant, infectious disease of turkeys, chickens, and many wild birds, caused by a protozoan parasite, Histomonas meleagridas, attacking especially the intestines and liver, and often characterized by a darkening of the skin on the head.
Nearby words
blackfish, blackfly, blackfoot, blackguard, blackguardly, blackhead, blackheart, blackheath, blackie, blacking, blackish
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for blackhead
British Dictionary definitions for blackhead
blackhead
/ (ˈblækˌhɛd) /
noun
a black-tipped plug of fatty matter clogging a pore of the skin, esp the duct of a sebaceous glandTechnical name: comedo
an infectious and often fatal disease of turkeys and some other fowl caused by the parasitic protozoa Histomonas meleagridisTechnical name: infectious enterohepatitis
any of various birds, esp gulls or ducks, with black plumage on the head
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for blackhead
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for blackhead
blackhead
[ blăk′hĕd′ ]
n.
A plug of keratin and sebum within a hair follicle that is blackened at the surface.open comedo
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.