Part 6532

<h1>Lignin</h1> <Xpage=852>

<hw>Lig"nin</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>lignum</ets> wood: cf. F. <ets>lignine</ets>.]</ety> <fld>(Bot.)</fld> <def>A substance characterizing wood cells and differing from cellulose in its conduct with certain chemical reagents.</def>

<note>&hand; Recent authors have distinguished four forms of this substance, naming them <i>lignose</i>, <i>lignin</i>, <i>lignone</i>, and <i>lignireose</i>.</note>

<h1>Ligniperdous</h1> <Xpage=852>

<hw>Lig`ni*per"dous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>lignum</ets> wood + <ets>perdere</ets> to destroy: cf. F. <ets>ligniperde</ets>.]</ety> <fld>(Zo\'94l.)</fld> <def>Wood-destroying; -- said of certain insects.</def>

<h1>Lignireose</h1> <Xpage=852>

<hw>Lig*nir"e*ose`</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Bot.)</fld> <def>See <er>Lignin</er>.</def>

<h1>Lignite</h1> <Xpage=852>

<hw>Lig"nite</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>lignum</ets> wood: cf. F. <ets>lignite</ets>.]</ety> <fld>(Min.)</fld> <def>Mineral coal retaining the texture of the wood from which it was formed, and burning with an empyreumatic odor. It is of more recent origin than the anthracite and bituminous coal of the proper coal series. Called also <altname>brown coal</altname>, <altname>wood coal</altname>.</def>

<h1>Lignitic</h1> <Xpage=852>

<hw>Lig*nit"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Containing lignite; resembling, or of the nature of, lignite; <as>as, <ex>lignitic</ex> clay</as>.</def>

<cs><col>Lignitic group</col>. <cd>See <er>Laramie group</er>.</cd></cs>

<h1>Lignitiferous</h1> <Xpage=852>

<hw>Lig`ni*tif"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Lignite</ets> + <ets>-ferous</ets>.]</ety> <def>Producing or containing lignite; lignitic.</def>

<h1>Lignoceric</h1> <Xpage=852>

<hw>Lig`no*cer"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>lignum</ets> wood + <ets>cera</ets> wax.]</ety> <fld>(Chem.)</fld> <def>Pertaining to, or designating, an acid of the formic acid series, found in the tar, wax, or paraffine obtained by distilling certain kinds of wood, as the beech.</def>

<h1>Lignone</h1> <Xpage=852>

<hw>Lig"none`</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Bot.)</fld> <def>See <er>Lignin</er>.</def>

<h1>Lignose, Lignous</h1> <Xpage=852>

<hw><hw>Lig*nose`</hw> <tt>(?)</tt>, <hw>Lig"nous</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[L. <ets>lignosus</ets>, fr. <ets>lignum</ets> wood: cf. F. <ets>ligneux</ets>. Cf. <er>Ligneous</er>.]</ety> <def>Ligneous.</def> <mark>[R.]</mark>

<i>Evelyn.</i>

<h1>Lignose</h1> <Xpage=852>

<hw>Lig"nose`</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <fld>(Bot.)</fld> <def>See <er>Lignin</er>.</def>

<p><b>2.</b> <fld>(Chem.)</fld> <def>An explosive compound of wood fiber and nitroglycerin. See <er>Nitroglycerin</er>.</def>

<h1>Lignum rhodium</h1> <Xpage=852>

<hw>Lig"num rho"di*um</hw> <tt>(?)</tt>. <ety>[NL., fr. L. <ets>lignum</ets> wood + Gr. <?/ a rose.]</ety> <fld>(Bot.)</fld> <def>The fragrant wood of several shrubs and trees, especially of species of <spn>Rhodorhiza</spn> from the Canary Islands, and of the West Indian <spn>Amyris balsamifera</spn>.</def>

<h1>Lignum-vitae</h1> <Xpage=852>

<hw>Lig"num-vi"tae</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L., wood of life; <ets>lignum</ets> wood + <ets>vita</ets>, genitive <ets>vit\'91</ets>, life.]</ety> <fld>(Bot.)</fld> <def>A tree (<spn>Guaiacum officinale</spn>) found in the warm latitudes of America, from which the <i>guaiacum</i> of medicine is procured. Its wood is very hard and heavy, and is used for various mechanical purposes, as for the wheels of ships' blocks, cogs, bearings, and the like. See <er>Guaiacum</er>.</def>