Part 6084

<h1>Irrigate</h1> <Xpage=790>

<hw>Ir"ri*gate</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Irrigated</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Irrigating</er> <tt>(?)</tt>.]</wordforms> <ety>[L. <ets>irrigatus</ets>, p. p. of <ets>irrigare</ets> to irrigate: <ets>ir-</ets> in + <ets>rigare</ets> to water; prob. akin to E. <ets>rain</ets>. See <er>Rain</er>.]</ety>

<p><b>1.</b> <def>To water; to wet; to moisten with running or dropping water; to bedew.</def>

<p><b>2.</b> <fld>(Agric.)</fld> <def>To water, as land, by causing a stream to flow upon, over, or through it, as in artificial channels.</def>

<h1>Irrigation</h1> <Xpage=790>

<hw>Ir`ri*ga"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>irrigatio</ets>: cf. F. <ets>irrigation</ets>.]</ety> <def>The act or process of irrigating, or the state of being irrigated; especially, the operation of causing water to flow over lands, for nourishing plants.</def>

<h1>Irriguous</h1> <Xpage=790>

<hw>Ir*rig"u*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>irriguus</ets>. See <er>Irrigate</er>.]</ety>

<p><b>1.</b> <def>Watered; watery; moist; dewy.</def> <mark>[Obs.]</mark>

<blockquote>The flowery lap Of some <b>irriguous</b> valley spreads her store. <i>Milton.</i></blockquote>

<p><b>2.</b> <def>Gently penetrating or pervading.</def> <mark>[Obs.]</mark>

<i>J. Philips.</i>

<h1>Irrisible</h1> <Xpage=790>

<hw>Ir*ris"i*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Pref. <ets>ir-</ets> not + <ets>risible</ets>. See <er>Irrision</er>.]</ety> <def>Not risible.</def> <mark>[R.]</mark>

<h1>Irrision</h1> <Xpage=790>

<hw>Ir*ri"sion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>irrisio</ets>, fr. <ets>irridere</ets>, <ets>irrisum</ets>. to laugh at; pref. <ets>ir-</ets> in + <ets>ridere</ets> to laugh: cf. F. <ets>irrision</ets>.]</ety> <def>The act of laughing at another; derision.</def>

<blockquote>This being spoken <b>sceptic\'8a</b>, or by way of <b>irrision</b>. <i>Chapman.</i></blockquote>

<h1>Irritability</h1> <Xpage=790>

<hw>Ir`ri*ta*bil"i*ty</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>irritabilitas</ets>: cf. F. <ets>irritabilit\'82</ets>.]</ety>

<p><b>1.</b> <def>The state or quality of being irritable; quick excitability; petulance; fretfulness; <as>as, <ex>irritability</ex> of temper</as>.</def>

<p><b>2.</b> <fld>(Physiol.)</fld> <def>A natural susceptibility, characteristic of all living organisms, tissues, and cells, to the influence of certain stimuli, response being manifested in a variety of ways, -- as that quality in plants by which they exhibit motion under suitable stimulation; esp., the property which living muscle processes, of responding either to a direct stimulus of its substance, or to the stimulating influence of its nerve fibers, the response being indicated by a change of form, or contraction; contractility.</def>

<p><b>3.</b> <fld>(Med.)</fld> <def>A condition of morbid excitability of an organ or part of the body; undue susceptibility to the influence of stimuli. See <er>Irritation</er>, <tt>n.</tt>, 3.</def>

<h1>Irritable</h1> <Xpage=790>

<hw>Ir"ri*ta*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>irritabilis</ets>: cf. F. <ets>irritable</ets>. See <er>Irritate</er>.]</ety>

<p><b>1.</b> <def>Capable of being irriated.</def>

<p><b>2.</b> <def>Very susceptible of anger or passion; easily inflamed or exasperated; <as>as, an <ex>irritable</ex> temper</as>.</def>

<blockquote>Vicious, old, and <b>irritable</b>. <i>Tennyson.</i></blockquote>

<p><b>3.</b> <fld>(Physiol.)</fld> <def>Endowed with irritability; susceptible of irritation; capable of being excited to action by the application of certain stimuli.</def>