Part 6920

<hw>Me`di*\'91"vals</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <def>The people who lived in the Middle Ages.</def>

<i>Ruskin.</i>

<h1>Medial</h1> <Xpage=907>

<hw>Me"di*al</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>medialis</ets>, fr. <ets>medius</ets> middle: cf. F. <ets>m\'82dial</ets>. See <er>Middle</er>.]</ety> <def>Of or pertaining to a mean or average; mean; <as>as, <ex>medial</ex> alligation</as>.</def>

<h1>Medial</h1> <Xpage=907>

<hw>Me"di*al</hw>, <tt>n.</tt> <fld>(Phonetics)</fld> <def>See 2d <er>Media</er>.</def>

<h1>Medialuna</h1> <Xpage=907>

<hw>Me"di*a*lu"na</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Sp. <ets>media luna</ets> half-moon.]</ety> <fld>(Zo\'94l.)</fld> <def>See <er>Half-moon</er>.</def>

<h1>Median</h1> <Xpage=907>

<hw>Me"di*an</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>medianus</ets>, fr. <ets>medius</ets> middle. See <er>Medial</er>.]</ety> <p><b>1.</b> <def>Being in the middle; running through the middle; <as>as, a <ex>median</ex> groove</as>.</def>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <def>Situated in the middle; lying in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; <as>as, <ex>median</ex> coverts</as>.</def>

<cs><col>Median line</col>. <sd>(a)</sd> <fld>(Anat.)</fld> <cd>Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body.</cd> <sd>(b)</sd> <fld>(Geom.)</fld> <cd>The line drawn from an angle of a triangle to the middle of the opposite side; any line having the nature of a diameter.</cd> -- <col>Median plane</col> <fld>(Anat.)</fld>, <cd>the mesial plane.</cd> -- <col>Median point</col> <fld>(Geom.)</fld>, <cd>the point where the three median lines of a triangle mutually intersect.</cd></cs>

<h1>Median</h1> <Xpage=907>

<hw>Me"di*an</hw>, <tt>n.</tt> <fld>(Geom.)</fld> <def>A median line or point.</def>

<h1>Mediant</h1> <Xpage=907>

<hw>Me"di*ant</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>medians</ets>, p. p. of <ets>mediare</ets> to halve: cf. It. <ets>mediante</ets>, F. <ets>m\'82diante</ets>.]</ety> <fld>(Mus.)</fld> <def>The third above the keynote; -- so called because it divides the interval between the tonic and dominant into two thirds.</def>

<h1>Mediastinal</h1> <Xpage=907>

<hw>Me`di*as*ti"nal</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Anat.)</fld> <def>Of or pertaining to a mediastinum.</def>

<h1>Mediastine, Mediastinum</h1> <Xpage=907>

<hw><hw>Me`di*as"tine</hw> <tt>(?)</tt>, <hw>Me`di*as*ti"num</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <ety>[NL. <ets>mediastinum</ets>, fr. L. <ets>medius</ets> middle; cf. <ets>mediastinus</ets> helper, a menial servant, LL. <ets>mediastinus</ets> equiv. to <ets>medius</ets>: cf F. <ets>m\'82diastin</ets>.]</ety> <fld>(Anat.)</fld> <def>A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity. The space included between these folds of the pleura, called the <i>mediastinal space</i>, contains the heart and gives passage to the esophagus and great blood vessels.</def>

<h1>Mediate</h1> <Xpage=907>

<hw>Me"di*ate</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>mediatus</ets>, p. p. of <ets>mediare</ets>, v. t., to halve, v. i., to be in the middle. See <er>Mid</er>, and cf. <er>Moiety</er>.]</ety> <p><b>1.</b> <def>Being between the two extremes; middle; interposed; intervening; intermediate.</def>

<i>Prior.</i>

<p><b>2.</b> <def>Acting by means, or by an intervening cause or instrument; not direct or immediate; acting or suffering through an intervening agent or condition.</def>

<p><b>3.</b> <def>Gained or effected by a medium or condition.</def>

<i>Bacon.</i>

<blockquote>An act of <b>mediate</b> knowledge is complex. <i>Sir W. Hamilton.</i></blockquote>

<h1>Mediate</h1> <Xpage=907>