Part 741

<p><b>2.</b> <def>Of or pertaining to the isle of Atlantis.</def>

<p><b>3.</b> <def>Descended from Atlas.</def>

<blockquote>The seven <b>Atlantic</b> sisters. <i>Milton.</i></blockquote>

<h1>Atlantides</h1> <Xpage=96>

<hw>At*lan"ti*des</hw> <tt>(#)</tt>, <tt>n. pl.</tt> <ety>[L. See <er>Atlantes</er>.]</ety> <def>The Pleiades or seven stars, fabled to have been the daughters of Atlas.</def>

<h1>Atlas</h1> <Xpage=96>

<hw>At"las</hw> <tt>(#)</tt>, <tt>n.</tt>; <plu>pl. <plw>Atlases</plw> <tt>(#)</tt></plu>. <ety>[L. <ets>Atlas</ets>, -<ets>antis</ets>, Gr. <?/, <?/, one of the older family of gods, who bears up the pillars of heaven; also Mt. <ets>Atlas</ets>, in W. Africa, regarded as the pillar of heaven. It is from the root of <?/ to bear. See <er>Tolerate</er>.]</ety> <p><b>1.</b> <def>One who sustains a great burden.</def>

<p><b>2.</b> <fld>(Anat.)</fld> <def>The first vertebra of the neck, articulating immediately with the skull, thus sustaining the globe of the head, whence the name.</def>

<p><b>3.</b> <def>A collection of maps in a volume</def>; -- <note>supposed to be so called from a picture of Atlas supporting the world, prefixed to some collections. This name is said to have been first used by Mercator, the celebrated geographer, in the 16th century.<note>

<p><b>4.</b> <def>A volume of plates illustrating any subject.</def>

<p><b>5.</b> <def>A work in which subjects are exhibited in a tabular from or arrangement; <as>as, an historical <ex>atlas</ex></as>.</def>

<p><b>6.</b> <def>A large, square folio, resembling a volume of maps; -- called also <altname>atlas folio</altname>.</def>

<p><b>7.</b> <def>A drawing paper of large size. See under <er>Paper</er>, <tt>n.</tt></def>

<cs><col>Atlas powder</col>, <cd>a nitroglycerin blasting compound of pasty consistency and great explosive power.</cd></cs>

<h1>Atlas</h1> <Xpage=96>

<hw>At"las</hw>, <tt>n.</tt> <ety>[Ar., smooth.]</ety> <def>A rich kind of satin manufactured in India.</def>

<i>Brande & C.</i>

<h1>Atmidometer</h1> <Xpage=96>

<hw>At`mi*dom"e*ter</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Gr. <?/, <?/, smoke, vapor + <ets>-meter</ets>; cf. F. <ets>atmidom\'8atre</ets>.]</ety> <def>An instrument for measuring the evaporation from water, ice, or snow.</def>

<i>Brande & C.</i>

<h1>Atmo</h1> <Xpage=96>

<hw>At"mo</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Contr. fr. <ets>atmosphere</ets>.]</ety> <fld>(Physics)</fld> <def>The standard atmospheric pressure used in certain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0&deg; Centigrade, at the level of the sea, and in the latitude of Paris.</def>

<i>Sir W. Thomson.</i>

<h1>Atmologic, Atmological</h1> <Xpage=96>

<hw><hw>At`mo*log"ic</hw> <tt>(#)</tt>, <hw>At`mo*log"ic*al</hw> <tt>(#)</tt>,<hw> <tt>a.</tt> <def>Of or pertaining to atmology.</def> "<i>Atmological</i> laws of heat."

<i>Whewell.</i>

<h1>Atmologist</h1> <Xpage=96>

<hw>At*mol"o*gist</hw> <tt>(#)</tt>, <tt>n.</tt> <def>One who is versed in atmology.</def>