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2 definitions found
 for Ruby silver
From The Collaborative International Dictionary of English v.0.48 :

  Silver \Sil"ver\ (s[i^]l"v[~e]r), n. [OE. silver, selver,
     seolver, AS. seolfor, siolfur, siolufr, silofr, sylofr; akin
     to OS. silubar, OFries. selover, D. zilver, LG. sulver, OHG.
     silabar, silbar, G. silber, Icel. silfr, Sw. silfver, Dan.
     s["o]lv, Goth. silubr, Russ. serebro, Lith. sidabras; of
     unknown origin.]
     1. (Chem.) A soft white metallic element, sonorous, ductile,
        very malleable, and capable of a high degree of polish. It
        is found native, and also combined with sulphur, arsenic,
        antimony, chlorine, etc., in the minerals argentite,
        proustite, pyrargyrite, ceragyrite, etc. Silver is one of
        the "noble" metals, so-called, not being easily oxidized,
        and is used for coin, jewelry, plate, and a great variety
        of articles. Symbol Ag (Argentum). Atomic weight 107.7.
        Specific gravity 10.5.
        [1913 Webster]
  
     Note: Silver was known under the name of luna to the ancients
           and also to the alchemists. Some of its compounds, as
           the halogen salts, are remarkable for the effect of
           light upon them, and are used in photography.
           [1913 Webster]
  
     2. Coin made of silver; silver money.
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     3. Anything having the luster or appearance of silver.
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     4. The color of silver.
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     Note: Silver is used in the formation of many compounds of
           obvious meaning; as, silver-armed, silver-bright,
           silver-buskined, silver-coated, silver-footed,
           silver-haired, silver-headed, silver-mantled,
           silver-plated, silver-slippered, silver-sounding,
           silver-studded, silver-tongued, silver-white. See
           Silver, a.
           [1913 Webster]
  
     Black silver (Min.), stephanite; -- called also brittle
        silver ore, or brittle silver glance.
  
     Fulminating silver. (Chem.)
        (a) A black crystalline substance, Ag2O.(NH3)2, obtained
            by dissolving silver oxide in aqua ammonia. When dry
            it explodes violently on the slightest percussion.
        (b) Silver fulminate, a white crystalline substance,
            Ag2C2N2O2, obtained by adding alcohol to a solution
            of silver nitrate; -- also called fulminate of
            silver. When dry it is violently explosive.
  
     German silver. (Chem.) See under German.
  
     Gray silver. (Min.) See Freieslebenite.
  
     Horn silver. (Min.) See Cerargyrite.
  
     King's silver. (O. Eng. Law) See Postfine.
  
     Red silver, or Ruby silver. (Min.) See Proustite, and
        Pyrargyrite.
  
     Silver beater, one who beats silver into silver leaf or
        silver foil.
  
     Silver glance, or Vitreous silver. (Min.) See
        Argentine.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Ruby \Ru"by\, n.; pl. Rubies. [F. rubis (cf. Pr. robi), LL.
     rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber.
     See Rouge, red.]
     1. (Min.) A precious stone of a carmine red color, sometimes
        verging to violet, or intermediate between carmine and
        hyacinth red. It is a red crystallized variety of
        corundum.
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     Note: Besides the true or Oriental ruby above defined, there
           are the balas ruby, or ruby spinel, a red variety of
           spinel, and the rock ruby, a red variety of garnet.
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                 Of rubies, sapphires, and pearles white.
                                                    --Chaucer.
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     2. The color of a ruby; carmine red; a red tint.
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              The natural ruby of your cheeks.      --Shak.
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     3. That which has the color of the ruby, as red wine. Hence,
        a red blain or carbuncle.
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     4. (Print.) See Agate, n., 2. [Eng.]
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     5. (Zool.) Any species of South American humming birds of the
        genus Clytolaema. The males have a ruby-colored throat
        or breast.
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     Ruby of arsenic, Ruby of sulphur (Chem.), a glassy
        substance of a red color and a variable composition, but
        always consisting chiefly of the disulphide of arsenic; --
        called also ruby sulphur.
  
     Ruby of zinc (Min.), zinc sulphide; the mineral zinc blende
        or sphalerite.
  
     Ruby silver (Min.), red silver. See under Red.
        [1913 Webster]

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