ALL meanings of blackhead
black·head
B b - countable noun blackhead Blackheads are small, dark spots on someone's skin caused by blocked pores. 3
- noun blackhead a black-tipped plug of fatty matter clogging a pore of the skin, esp the duct of a sebaceous gland 3
- noun blackhead an infectious and often fatal disease of turkeys and some other fowl caused by the parasitic protozoa Histomonas meleagridis 3
- noun blackhead any of various birds, esp gulls or ducks, with black plumage on the head 3
- noun blackhead any of various black-headed birds, esp. the scaup duck 3
- noun blackhead a black-tipped plug of dried fatty matter in a pore of the skin 3
- noun blackhead an infectious disease of the intestines and liver of turkeys, chickens, etc. caused by a protozoan (Histomonas meleagridis) and characterized by a dark, discolored comb 3
- noun blackhead the parasitic larva of a freshwater mussel (family Unionidae) encysted in the gills, etc. of a fish 3
- noun blackhead skin blemish: blocked pore 1
- noun blackhead a small, black-tipped, fatty mass in a skin follicle, especially of the face; comedo. 1
- noun blackhead any of several birds having a head that is black, as the greater scaup, Aythya marila. 1
- noun blackhead 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. 1
- noun blackhead (medicine) 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. 0
- noun blackhead A form of histomoniasis in poultry, characterized by cyanotic discoloration on the bird's head. 0
- noun blackhead A scaup: a kind of duck. 0