Blackhead — Black head , n. (Zo[ o]l.) The scaup duck. [1913 Webster] … The Collaborative International Dictionary of English
Blackhead — [ blækhed, englisch], Tiermedizin: Typhlohepatitis … Universal-Lexikon
blackhead — comedo, 1837, from BLACK (Cf. black) (adj.) + HEAD (Cf. head) (n.). So called for its appearance … Etymology dictionary
blackhead — ► NOUN ▪ a plug of oily matter in a hair follicle … English terms dictionary
blackhead — [blak′hed΄] n. 1. any of various black headed birds, esp. the scaup duck 2. a black tipped plug of dried fatty matter in a pore of the skin ☆ 3. an infectious disease of the intestines and liver of turkeys, chickens, etc. caused by a protozoan… … English World dictionary
Blackhead — This article is about the skin condition. For other uses, see Blackhead (disambiguation). Blackhead Classification and external resources Blackheads on a nose. ICD 9 … Wikipedia
blackhead — UK [ˈblækˌhed] / US noun [countable] Word forms blackhead : singular blackhead plural blackheads a small black spot on your skin, caused by dirt or oil blocking a pore (= one of the small holes in your skin) … English dictionary
blackhead — Scaup Scaup (sk[add]p), n. [See {Scalp} a bed of oysters or mussels.] 1. A bed or stratum of shellfish; scalp. [Scot.] [1913 Webster] 2. (Zo[ o]l.) A scaup duck. See below. [1913 Webster] {Scaup duck} (Zo[ o]l.), any one of several species of… … The Collaborative International Dictionary of English
blackhead — Broadbill Broad bill , n. 1. (Zo[ o]l.) A wild duck ({Aythya marila}, or {Fuligula marila}), which appears in large numbers on the eastern coast of the United States, in autumn; called also {bluebill}, {blackhead}, {raft duck}, and {scaup duck}.… … The Collaborative International Dictionary of English
blackhead — /blak hed /, n. 1. a small, black tipped, fatty mass in a skin follicle, esp. of the face; comedo. 2. any of several birds having a black head, as the greater scaup, Aythya marila. 3. Also called enterohepatitis. Vet. Pathol. a malignant,… … Universalium