Part 2052

<i>Halliwell.</i>

<p><b>2.</b> <fld>(Mining)</fld> <def>To break into small pieces, as ore, so as to sort out its better portions.</def>

<i>Raymond.</i>

<p><b>3.</b> <fld>(Naut.)</fld> <def>To punish by striking on the buttocks with a strap, a flat piece of wood, or the like.</def>

<h1>Cob\'91a</h1> <Xpage=271>

<hw>Co*b\'91"a</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Named after D. <ets>Cobo</ets>, a Spanish botanist.]</ety> <def>A genus of climbing plants, native of Mexico and South America. <spn>C. scandens</spn> is a consrvatory climber with large bell-shaped flowers.</def>

<h1>Cobalt</h1> <Xpage=271>

<hw>Co"balt</hw> <tt>(?; 277, 74)</tt>, <tt>n.</tt> <ety>[G. <ets>kobalt</ets>, prob. fr. <ets>kobold</ets>, <ets>kobel</ets>, goblin, MHG. <ets>kobolt</ets>; perh. akin to G. <ets>koben</ets> pigsty, hut, AS. <ets>cofa</ets> room, <ets>cofgodas</ets> household gods, Icel. <ets>kofi</ets> hut. If so, the ending <ets>-old</ets> stands for older <ets>-walt</ets>, <ets>-wald</ets>, being the same as <ets>-ald</ets> in E. <ets>herald</ets> and the word would mean <ets>ruler</ets> or <ets>governor in a house</ets>, <ets>house spirit</ets>, the metal being so called by miners, because it was poisonous and troublesome. Cf. <er>Kobold</er>, <er>Cove</er>, <er>Goblin</er>.]</ety> <p><b>1.</b> <fld>(Chem.)</fld> <def>A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.</def>

<note>&hand; It occurs in nature in combination with arsenic, sulphur, and oxygen, and is obtained from its ores, smaltite, cobaltite, asbolite, etc. Its oxide colors glass or any flux, as borax, a fine blue, and is used in the manufacture of smalt. It is frequently associated with nickel, and both are characteristic ingredients of meteoric iron.</note>

<p><b>2.</b> <def>A commercial name of a crude arsenic used as fly poison.</def>

<cs><col>Cobalt bloom</col>. <cd>Same as <er>Erythrite</er>.</cd> -- <col>Cobalt blue</col>, <cd>a dark blue pigment consisting of some salt of cobalt, as the phosphate, ignited with alumina; -- called also <altname>cobalt ultramarine</altname>, and <altname>Thenard's blue</altname>.</cd> -- <col>Cobalt crust</col>, <cd>earthy arseniate of cobalt.</cd> -- <col>Cobalt glance</col>. <fld>(Min.)</fld> <cd>See <er>Cobaltite</er>.</cd> -- <col>Cobalt green</col>, <cd>a pigment consisting essentially of the oxides of cobalt and zinc; -- called also <altname>Rinman's green</altname>.</cd> -- <col>Cobalt yellow</col> <fld>(Chem.)</fld>, <cd>a yellow crystalline powder, regarded as a double nitrite of cobalt and potassium.</cd></cs>

<h1>Cobaltic</h1> <Xpage=271>

<hw>Co*balt"ic</hw> <tt>(?; 74)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>cobaltique</ets>.]</ety> <fld>(Chem.)</fld> <def>Pertaining to, derived from, or containing, cobalt; -- said especially of those compounds in which cobalt has higher valence; <as>as, <ex>cobaltic</ex> oxide</as>.</def>

<cs><col>Luteo-cobaltic compounds</col> <fld>(Chem.)</fld>, <cd>an extensive series of complex yellow compounds of ammonia and cobaltic salts.</cd> -- <col>Roseo-cobaltic compounds</col> <fld>(Chem.)</fld>, <cd>an extensive series of complex red compounds of cobalt and ammonia. Modifications of these are the <stype>purpureo-cobaltic compounds</stype>.</cd></cs>

<h1>Cobaltiferous</h1> <Xpage=271>

<hw>Co`balt*if"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Cobalt</ets> + <ets>-ferous</ets>.]</ety> <fld>(Min.)</fld> <def>Containing cobalt.</def>

<h1>Cobaltine, Cobaltite</h1> <Xpage=271>

<hw><hw>Co"balt*ine</hw> <tt>(?)</tt>, <hw>Co"balt*ite</hw> <tt>(?)</tt><hw> <tt>n.</tt> <fld>(Min.)</fld> <def>A mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt.</def>

<h1>Cobaltous</h1> <Xpage=271>

<hw>Co*balt"ous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Chem.)</fld> <def>Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence.</def>

<cs><col>Cobaltous chloride</col>, <cd>a crystalline compound, <chform>CoCl2</chform>, of a pale rose color when hydrous, blue when dehydrated. Its solution is used for a sympathetic ink, the writing being nearly colorless when dried in the air, owing to absorbed moisture, and becoming bright blue when warmed.</cd></cs>

<h1>Cobbing</h1> <Xpage=271>

<hw>Cob"bing</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Haughty; purse-proud. See <er>Cob</er>, <tt>n.</tt>, 2.</def> <mark>[Obs.]</mark>

<i>Withals (1608).</i>

<h1>Cobble</h1> <Xpage=271>

<hw>Cob"ble</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A fishing boat. See <er>Coble</er>.</def>

<h1>Cobble</h1> <Xpage=271>

<hw>Cob"ble</hw>, <tt>n.</tt> <ety>[From <er>Cob</er> a lump. See <er>Cob</er>, <tt>n.</tt>, 9, and cf. <er>Copple</er>, <er>Copplestone</er>.]</ety> <p><b>1.</b> <def>A cobblestone.</def> "Their slings held <i>cobbles</i> round."