Blackhead definition

Blackhead





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5 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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. (Zool.) A scaup duck. See below.


        [1913 Webster]
  
     {Scaup duck} (Zool.), any one of several species of northern
        ducks of the genus {Aythya}, or {Fuligula}. The adult
        males are, in large part, black. The three North American
        species are: the greater scaup duck ({Aythya marila}, var.
        nearctica), called also {broadbill}, {bluebill},
        {blackhead}, {flock duck}, {flocking fowl}, and {raft
        duck}; the lesser scaup duck ({Aythya affinis}), called
        also {little bluebill}, {river broadbill}, and {shuffler};
        the tufted, or ring-necked, scaup duck ({Aythya
        collaris}), called also {black jack}, {ringneck},
        {ringbill}, {ringbill shuffler}, etc. See Illust. of
        {Ring-necked duck}, under {Ring-necked}. The common
        European scaup, or mussel, duck ({Aythya marila}), closely
        resembles the American variety.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Blackhead \Black"head`\, n. (Zool.)
     The scaup duck.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Broadbill \Broad"bill`\, n.
     1. (Zool.) 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}.
        See {Scaup duck}.
        [1913 Webster]
  
     2. (Zool.) The shoveler. See {Shoveler}.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  blackhead
       n : a black-tipped plug clogging a pore of the skin [syn: {comedo}]

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  56 Moby Thesaurus words for "blackhead":
     birthmark, bleb, blemish, blister, bulla, check, cicatrix, comedo,
     crack, crater, craze, defacement, defect, deformation, deformity,
     disfiguration, disfigurement, distortion, fault, flaw, freckle,
     hemangioma, hickey, keloid, kink, lentigo, milium, mole,
     needle scar, nevus, pimple, pit, pock, pockmark, port-wine mark,
     port-wine stain, pustule, rift, scab, scar, scratch,
     sebaceous cyst, split, strawberry mark, sty, track, twist, verruca,
     vesicle, wale, warp, wart, weal, welt, wen, whitehead
  
  

















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