Part 3075

<hw>Di`a*tes"sa*ron</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L., fr. Gr. <?/ (sc. <?/); <?/ through + <?/, gen. of <?/ four (sc. <?/.).]</ety>

<p><b>1.</b> <fld>(Anc. Mus.)</fld> <def>The interval of a fourth.</def>

<p><b>2.</b> <fld>(Theol.)</fld> <def>A continuous narrative arranged from the first four books of the New Testament.</def>

<p><b>3.</b> <def>An electuary compounded of four medicines.</def>

<h1>Diathermal</h1> <Xpage=407>

<hw>Di`a*ther"mal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ thoroughly warm; <?/ through + <?/ warm, hot. Cf. <er>Diathermous</er>.]</ety> <def>Freely permeable by radiant heat.</def>

<h1>Diathermancy, Diathermaneity</h1> <Xpage=407>

<hw><hw>Di`a*ther"man*cy</hw> <tt>(?)</tt>, <hw>Di`a*ther`ma*ne"i*ty</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <ety>[See <er>Diathermanous</er>.]</ety> <def>The property of transmitting radiant heat; the quality of being diathermous.</def>

<i>Melloni.</i>

<h1>Diathermanism</h1> <Xpage=407>

<hw>Di`a*ther"ma*nism</hw> <tt>(?)</tt>, <tt>n.</tt> <def>The doctrine or the phenomena of the transmission of radiant heat.</def>

<i>Nichol.</i>

<h1>Diathermanous</h1> <Xpage=407>

<hw>Di`a*ther"ma*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ to warm through; <?/ through + <?/ to warm, <?/ warm.]</ety> <def>Having the property of transmitting radiant heat; diathermal; -- opposed to <i>athermanous</i>.</def>

<h1>Diathermic</h1> <Xpage=407>

<hw>Di`a*ther"mic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Affording a free passage to heat; <as>as, <ex>diathermic</ex> substances</as>.</def>

<i>Melloni.</i>

<h1>Diathermometer</h1> <Xpage=407>

<hw>Di`a*ther*mom"e*ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ warm + <ets>-meter</ets>. See <er>Diathermal</er>.]</ety> <fld>(Physics)</fld> <def>An instrument for examining the thermal resistance or heat-conducting power of liquids.</def>

<h1>Diathermous</h1> <Xpage=407>

<hw>Di`a*ther"mous</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Same as <er>Diathermal</er>.</def>

<h1>Diathesis</h1> <Xpage=407>

<hw>Di*ath"e*sis</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/, fr. <?/ to place separately, arrange; <?/ through, asunder + <?/ to place, put.]</ety> <fld>(Med.)</fld> <def>Bodily condition or constitution, esp. a morbid habit which predisposes to a particular disease, or class of diseases.</def>

<h1>Diathetic</h1> <Xpage=407>

<hw>Di`a*thet"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Pertaining to, or dependent on, a diathesis or special constitution of the body; <as>as, <ex>diathetic</ex> disease</as>.</def>

<h1>Diatom</h1> <Xpage=407>

<hw>Di"a*tom</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ cut in two. See <er>Diatomous</er>.]</ety>

<p><b>1.</b> <fld>(Bot.)</fld> <def>One of the <i>Diatomace\'91</i>, a family of minute unicellular Alg\'91 having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called <i>Bacillari\'91</i>, but this word is not in general use.</def>