Part 1155

<h1>Bitumed</h1> <Xpage=149>

<hw>Bi*tumed"</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Smeared with bitumen.</def> <mark>[R.]</mark> "The hatches caulked and <i>bitumed</i>."

<i>Shak.</i>

<h1>Bitumen</h1> <Xpage=149>

<hw>Bi*tu"men</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>bitumen</ets>: cf. F. <ets>bitume</ets>. Cf. <er>B\'82ton</er>.]</ety> <p><b>1.</b> <def>Mineral pitch; a black, tarry substance, burning with a bright flame; Jew's pitch. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian Seas. It is used in cements, in the construction of pavements, etc. See <er>Asphalt</er>. </def>

<hr> <page="150"> Page 150<p>

<p><b>2.</b> <def>By extension, any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas.</def>

<h1>Bituminate</h1> <Xpage=150>

<hw>Bi*tu"mi*nate</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Bituminated</er>; <tt>p. pr. & vb. n.</tt> <er>Bituminating</er>.]</wordforms> <ety>[L. <ets>bituminatus</ets>, p. p. of <ets>bituminare</ets> to bituminate. See <er>Bitumen</er>.]</ety> <def>To treat or impregnate with bitumen; to cement with bitumen.</def> "<i>Bituminated</i> walls of Babylon."

<i>Feltham.</i>

<h1>Bituminiferous</h1> <Xpage=150>

<hw>Bi*tu`mi*nif"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Bitumen</ets> + <ets>-ferous</ets>.]</ety> <def>Producing bitumen.</def>

<i>Kirwan.</i>

<h1>Bituminization</h1> <Xpage=150>

<hw>Bi*tu`mi*ni*za"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>bituminisation</ets>.]</ety> <def>The process of bituminizing.</def>

<i>Mantell.</i>

<h1>Bituminize</h1> <Xpage=150>

<hw>Bi*tu"mi*nize</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Bituminized</er> <tt>(<?/)</tt>; <tt>p. pr. & vb. n.</tt> <er>Bituminizing</er>.]</wordforms> <ety>[Cf. F. <ets>bituminiser</ets>.]</ety> <def>To prepare, treat, impregnate, or coat with bitumen.</def>

<h1>Bituminous</h1> <Xpage=150>

<hw>Bi*tu"mi*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>bituminosus</ets>: cf. F. <ets>bitumineux</ets>.]</ety> <def>Having the qualities of bitumen; compounded with bitumen; containing bitumen.</def>

<blockquote>Near that <b>bituminous</b> lake where Sodom flamed. <i> Milton.</i></blockquote>

<cs><col>Bituminous coal</col>, <cd>a kind of coal which yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame.</cd> -- <col>Bituminous limestone</col>, <cd>a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitumen that it may be cut like soap.</cd> -- <col>Bituminous shale</col>, <cd>an argillaceous shale impregnated with bitumen, often accompanying coal.</cd></cs>

<h1>Biuret</h1> <Xpage=150>

<hw>Bi"u*ret</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Pref. <ets>bi-</ets> + <ets>urea</ets>.]</ety> <fld>(Chem.)</fld> <def>A white, crystalline, nitrogenous substance, C2O2N3H5, formed by heating urea. It is intermediate between urea and cyanuric acid.</def>

<h1>Bivalency</h1> <Xpage=150>

<hw>Biv"a*len*cy</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Chem.)</fld> <def>The quality of being bivalent.</def>

<h1>Bivalent</h1> <Xpage=150>

<hw>Biv"a*lent</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>bis</ets> twice + <ets>valens</ets>, <tt>p. pr.</tt> See <er>Valence</er>.]</ety> <fld>(Chem.)</fld> <def>Equivalent in combining or displacing power to two atoms of hydrogen; dyad.</def>