Part 2099

<h1>Collaborator</h1> <Xpage=276>

<hw>Col*lab"o*ra`tor</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>collaborare</ets> to labor together; <ets>col-</ets> + <ets>laborare</ets> to labor: cf. F. <ets>collaborateur</ets>.]</ety> <def>An associate in labor, especially in literary or scientific labor.</def>

<h1>Collagen</h1> <Xpage=276>

<hw>Col"la*gen</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ glue + <ets>-gen</ets>.]</ety> <fld>(Physiol. Chem.)</fld> <def>The chemical basis of ordinary connective tissue, as of tendons or sinews and of bone. On being boiled in water it becomes gelatin or glue.</def>

<h1>Collagenous</h1> <Xpage=276>

<hw>Col*lag"e*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Physiol.)</fld> <def>Containing or resembling collagen.</def>

<h1>Collapse</h1> <Xpage=276>

<hw>Col*lapse"</hw> <tt>(?)</tt>, <tt>v. i.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Collapsed</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Collapsing</er>]</wordforms> <ety>[L. <ets>collapsus</ets>, p. p. of <ets>collabi</ets> to collapse; <ets>col-</ets> + <ets>labi</ets> to fall, slide. See <er>Lapse</er>.]</ety> <p><b>1.</b> <def>To fall together suddenly, as the sides of a hollow vessel; to close by falling or shrinking together; to have the sides or parts of (a thing) fall in together, or be crushed in together; <as>as, a flue in the boiler of a steam engine sometimes <ex>collapses</ex></as>.</def>

<blockquote>A balloon <b>collapses</b> when the gas escapes from it. <i>Maunder.</i></blockquote>

<p><b>2.</b> <def>To fail suddenly and completely, like something hollow when subject to too much pressure; to undergo a collapse; <as>as, Maximilian's government <ex>collapsed</ex> soon after the French army left Mexico; many financial projects <ex>collapse</ex> after attaining some success and importance.</as></def>

<h1>Collapse</h1> <Xpage=276>

<hw>Col*lapse"</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <def>A falling together suddenly, as of the sides of a hollow vessel.</def>

<p><b>2.</b> <def>A sudden and complete failure; an utter failure of any kind; a breakdown.</def> <mark>[Colloq.]</mark>

<p><b>3.</b> <fld>(Med.)</fld> <def>Extreme depression or sudden failing o<?/ all the vital powers, as the result of disease, injury, or nervous disturbance.</def>

<h1>Collapsion</h1> <Xpage=276>

<hw>Col*lap"sion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>collapsio</ets>.]</ety> <def>Collapse.</def> <mark>[R.]</mark>

<i>Johnson.</i>

<h1>Collar</h1> <Xpage=276>

<hw>Col"lar</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[OE. <ets>coler</ets>, <ets>coller</ets>, OF. <ets>colier</ets>, F. <ets>collier</ets>, necklace, collar, fr. OF. <ets>col</ets> neck, F. <ets>cou</ets>, fr. L. <ets>collum</ets>; akin to AS. <ets>heals</ets>, G. & Goth. <ets>hals</ets>. Cf. <er>Hals</er>, <tt>n.</tt>]</ety> <p><b>1.</b> <def>Something worn round the neck, whether for use, ornament, restraint, or identification; <as>as, the <ex>collar</ex> of a coat; a lady's <ex>collar</ex>; the <ex>collar</ex> of a dog.</as></def>

<p><b>2.</b> <fld>(Arch.)</fld> <sd>(a)</sd> <def>A ring or cinture.</def> <sd>(b)</sd> <def>A collar beam.</def>

<p><b>3.</b> <fld>(Bot.)</fld> <def>The neck or line of junction between the root of a plant and its stem.</def>

<i>Gray.</i>

<p><b>4.</b> <def>An ornament worn round the neck by knights, having on it devises to designate their rank or order.</def>

<p><b>5.</b> <fld>(Zo\'94l.)</fld> <sd>(a)</sd> <def>A ringlike part of a mollusk in connection with esophagus.</def> <sd>(b)</sd> <def>A colored ring round the neck of a bird or mammal.</def>

<p><b>6.</b> <fld>(Mech.)</fld> <def>A ring or round flange upon, surrounding, or against an object, and used for rastraining motion within given limits, or for holding something to its place, or for hibing an opening around an object; <as>as, a <ex>collar</ex> on a shaft, used to prevent endwise motion of the shaft; a <ex>collar</ex> surrounding a stovepipe at the place where it enters a wall. The flanges of a piston and the gland of a stuffing box are sometimes called <ex>collars</ex>.</as></def>

<p><b>7.</b> <fld>(Naut.)</fld> <def>An eye formed in the bight or bend of a shroud or stay to go over the masthead; also, a rope to which certain parts of rigging, as dead-eyes, are secured.</def>

<p><b>8.</b> <fld>(Mining)</fld> <def>A curb, or a horizontal timbering, around the mouth of a shaft.</def>

<i>Raymond.</i>