| slovo | definícia |
Ruby silver
(gcide) | 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.
[1913 Webster]
3. Anything having the luster or appearance of silver.
[1913 Webster]
4. The color of silver.
[1913 Webster]
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] |
Ruby silver
(gcide) | 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.
[1913 Webster]
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.
[1913 Webster]
Of rubies, sapphires, and pearles white.
--Chaucer.
[1913 Webster]
2. The color of a ruby; carmine red; a red tint.
[1913 Webster]
The natural ruby of your cheeks. --Shak.
[1913 Webster]
3. That which has the color of the ruby, as red wine. Hence,
a red blain or carbuncle.
[1913 Webster]
4. (Print.) See Agate, n., 2. [Eng.]
[1913 Webster]
5. (Zool.) Any species of South American humming birds of the
genus Clytolaema. The males have a ruby-colored throat
or breast.
[1913 Webster]
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] |
| |