Halotrichite

2 definitions found

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

  Halotrichite \Hal*o*tri"chite\ (h[a^]l*[-o]*tr[imac]"k[imac]t),
     n. [Gr. "a`ls sea + qri`x, tricho`s, hair.] (Min.)
     An iron alum occurring in silky fibrous aggregates of a
     yellowish white color.
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From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Feather \Feath"er\ (f[e^][th]"[~e]r), n. [OE. fether, AS.
     fe[eth]er; akin to D. veder, OHG. fedara, G. feder, Icel.
     fj["o][eth]r, Sw. fj[aum]der, Dan. fj[ae]der, Gr. ptero`n
     wing, feather, pe`tesqai to fly, Skr. pattra wing, feather,
     pat to fly, and prob. to L. penna feather, wing. [root]76,
     248. Cf. {Pen} a feather.]
     1. One of the peculiar dermal appendages, of several kinds,
        belonging to birds, as contour feathers, quills, and down.
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     Note: An ordinary feather consists of the quill or hollow
           basal part of the stem; the shaft or rachis, forming
           the upper, solid part of the stem; the vanes or webs,
           implanted on the rachis and consisting of a series of
           slender lamin[ae] or barbs, which usually bear
           barbules, which in turn usually bear barbicels and
           interlocking hooks by which they are fastened together.
           See {Down}, {Quill}, {Plumage}.
  
     2. Kind; nature; species; -- from the proverbial phrase,
        "Birds of a feather," that is, of the same species. [R.]
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              I am not of that feather to shake off
              My friend when he must need me.       --Shak.
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     3. The fringe of long hair on the legs of the setter and some
        other dogs.
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     4. A tuft of peculiar, long, frizzly hair on a horse.
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     5. One of the fins or wings on the shaft of an arrow.
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     6. (Mach. & Carp.) A longitudinal strip projecting as a fin
        from an object, to strengthen it, or to enter a channel in
        another object and thereby prevent displacement sidwise
        but permit motion lengthwise; a spline.
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     7. A thin wedge driven between the two semicylindrical parts
        of a divided plug in a hole bored in a stone, to rend the
        stone. --Knight.
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     8. The angular adjustment of an oar or paddle-wheel float,
        with reference to a horizontal axis, as it leaves or
        enters the water.
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     Note: Feather is used adjectively or in combination, meaning
           composed of, or resembling, a feather or feathers; as,
           feather fan, feather-heeled, feather duster.
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     {Feather alum} (Min.), a hydrous sulphate of alumina,
        resulting from volcanic action, and from the decomposition
        of iron pyrites; -- called also {halotrichite}. --Ure.
  
     {Feather bed}, a bed filled with feathers.
  
     {Feather driver}, one who prepares feathers by beating.
  
     {Feather duster}, a dusting brush of feathers.
  
     {Feather flower}, an artifical flower made of feathers, for
        ladies' headdresses, and other ornamental purposes.
  
     {Feather grass} (Bot.), a kind of grass ({Stipa pennata})
        which has a long feathery awn rising from one of the
        chaffy scales which inclose the grain.
  
     {Feather maker}, one who makes plumes, etc., of feathers,
        real or artificial.
  
     {Feather ore} (Min.), a sulphide of antimony and lead,
        sometimes found in capillary forms and like a cobweb, but
        also massive. It is a variety of Jamesonite.
  
     {Feather shot}, or {Feathered shot} (Metal.), copper
        granulated by pouring into cold water. --Raymond.
  
     {Feather spray} (Naut.), the spray thrown up, like pairs of
        feathers, by the cutwater of a fast-moving vessel.
  
     {Feather star}. (Zool.) See {Comatula}.
  
     {Feather weight}. (Racing)
        (a) Scrupulously exact weight, so that a feather would
            turn the scale, when a jockey is weighed or weighted.
        (b) The lightest weight that can be put on the back of a
            horse in racing. --Youatt.
        (c) In wrestling, boxing, etc., a term applied to the
            lightest of the classes into which contestants are
            divided; -- in contradistinction to {light weight},
            {middle weight}, and {heavy weight}.
  
     {A feather in the cap} an honour, trophy, or mark of
        distinction. [Colloq.]
  
     {To be in full feather}, to be in full dress or in one's best
        clothes. [Collog.]
  
     {To be in high feather}, to be in high spirits. [Collog.]
  
     {To cut a feather}.
        (a) (Naut.) To make the water foam in moving; in allusion
            to the ripple which a ship throws off from her bows.
        (b) To make one's self conspicuous. [Colloq.]
  
     {To show the white feather}, to betray cowardice, -- a white
        feather in the tail of a cock being considered an
        indication that he is not of the true game breed.
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