<hw>Lu"mine</hw> <tt>(?)</tt>, <tt>v. i.</tt> <def>To illumine.</def> <mark>[Obs.]</mark>
<i>Spenser.</i>
<h1>Luminiferous</h1> <Xpage=874>
<hw>Lu`mi*nif"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>lumen</ets> light + <ets>-ferous</ets>.]</ety> <def>Producing light; yielding light; transmitting light; <as>as, the <ex>luminiferous</ex> ether</as>.</def>
<h1>Luminosity</h1> <Xpage=874>
<hw>Lu`mi*nos"i*ty</hw> <tt>(?)</tt>, <tt>n.</tt> <def>The quality or state of being luminous; luminousness.</def>
<h1>Luminous</h1> <Xpage=874>
<hw>Lu"mi*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>luminosus</ets>, fr. <ets>lumen</ets> light: cf. F. <ets>lumineux</ets>. See <er>Luminary</er>, <er>Illuminate</er>.]</ety>
<p><b>1.</b> <def>Shining; emitting or reflecting light; brilliant; bright; <as>as, the is a <ex>luminous</ex> body; a <ex>luminous</ex> color.</as></def>
<blockquote>Fire burneth wood, making it . . . <b>luminous</b>. <i>Bacon.</i></blockquote>
<blockquote>The mountains lift . . . their lofty and <b>luminous</b> heads. <i>Longfellow.</i></blockquote>
<p><b>2.</b> <def>Illuminated; full of light; bright; <as>as, many candles made the room <ex>luminous</ex></as>.</def>
<blockquote>Up the staircase moved a <b>luminous</b> space in the darkness. <i>Longfellow.</i></blockquote>
<p><b>3.</b> <def>Enlightened; intelligent; also, clear; intelligible; <as>as, a <ex>luminous</ex> mind</as>.</def> " <i>Luminous</i> eloquence." <i>Macaulay</i>. " A <i>luminous</i> statement."
<i>Brougham.</i>
<cs><col>Luminous paint</col>, <cd>a paint made up with some phosphorescent substance, as sulphide of calcium, which after exposure to a strong light is luminous in the dark for a time.</cd></cs>
<syn>Syn. -- Lucid; clear; shining; perspicuous.</syn>
-- <wordforms><wf>Lu"mi*nous*ly</wf>, <tt>adv.</tt> -- <wf>Lu"mi*nous*ness</wf>, <tt>n.</tt></wordforms>
<h1>Lummox</h1> <Xpage=874>
<hw>Lum"mox</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A fat, ungainly, stupid person; an awkward bungler.</def> <mark>[Law.]</mark>
<h1>Lump</h1> <Xpage=874>
<hw>Lump</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. OD. <ets>lompe</ets> piece, mass. Cf. <er>Lunch</er>.]</ety> <p><b>1.</b> <def>A small mass of matter of irregular shape; an irregular or shapeless mass; <as>as, a <ex>lump</ex> of coal; a <ex>lump</ex> of iron ore.</as></def> " A <i>lump</i> of cheese." <i>Piers Plowman</i>. " This <i>lump</i> of clay."
<i>Shak.</i>
<p><b>2.</b> <def>A mass or aggregation of things.</def>
<p><b>3.</b> <fld>(Firearms)</fld> <def>A projection beneath the breech end of a gun barrel.</def>
<cs><col>In the lump</col>, <col>In a lump</col>, <cd>the whole together; in gross.</cd>
<blockquote>They may buy them <b>in the lump</b>. <i>Addison.</i></blockquote>
-- <col>Lump coal</col>, <cd>coal in large lumps; -- the largest size brought from the mine.</cd> -- <col>Lump sum</col>, <cd>a gross sum without a specification of items; as, to award a <i>lump sum</i> in satisfaction of all claims and damages.</cd> <-- (b) a single sum paid once in satisfaction of a claim, as contrasted with the alternate choice of several payments over a period of time.--></cs>
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