Part 5506

<h1>Hypotrochoid</h1> <Xpage=722>

<hw>Hy`po*tro"choid</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Pref. <ets>hypo-</ets> + <ets>trochoid</ets>.]</ety> <fld>(Geom.)</fld> <def>A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See <er>Hypocycloid</er>, <er>Epicycloid</er>, and <er>Trochoid</er>.</def>

<h1>Hypotyposis</h1> <Xpage=722>

<hw>Hy`po*ty*po"sis</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/, fr. <?/ to sketch out; <?/ under + <?/ to impress.]</ety> <fld>(Rhet.)</fld> <def>A vivid, picturesque description of scenes or events.</def>

<h1>Hypoxanthin</h1> <Xpage=722>

<hw>Hy`po*xan"thin</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Pref. <ets>hypo-</ets> + <ets>xanthin</ets>.]</ety> <fld>(Physiol. Chem.)</fld> <def>A crystalline, nitrogenous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially in muscle tissue; -- called also <altname>sarcin</altname>, <altname>sarkin</altname>.</def>

<h1>Hypozoic</h1> <Xpage=722>

<hw>Hy`po*zo"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Pref. <ets>hypo-</ets> + Gr. <?/ an animal.]</ety> <fld>(Geol.)</fld> <def>Anterior in age to the lowest rocks which contain organic remains.</def>

<i>Lyell.</i>

<h1>Hyppish</h1> <Xpage=722>

<hw>Hyp"pish</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[From <er>Hyp</er>.]</ety> <def>Affected with hypochondria; hypped.</def> <altsp>[Written also <asp>hyppish</asp>.]</altsp>

<h1>Hyppogriff</h1> <Xpage=722>

<hw>Hyp"po*griff</hw> <tt>(?)</tt>, <tt>n.</tt> <def>See <er>Hyppogriff</er>.</def>

<h1>Hypsiloid</h1> <Xpage=722>

<hw>Hyp"si*loid</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[From <UPSILON/, the Greek letter called "upsilon" + <ets>-oid</ets>.]</ety> <fld>(Anat.)</fld> <def>Resembling the Greek letter <UPSILON/ in form; hyoid.</def>

<h1>Hypsometer</h1> <Xpage=722>

<hw>Hyp*som"e*ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ height + <ets>-meter</ets>.]</ety> <fld>(Physics)</fld> <def>An instrument for measuring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition.</def>

<h1>Hypsometric, Hypsometrical</h1> <Xpage=722>

<hw><hw>Hyp`so*met"ric</hw> <tt>(?)</tt>, <hw>Hyp`so*met"ric*al</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <def>Of or pertaining to hypsometry.</def>

<h1>Hypsometry</h1> <Xpage=722>

<hw>Hyp*som"e*try</hw> <tt>(?)</tt>, <tt>n.</tt> <def>That branch of the science of geodesy which has to do with the measurement of heights, either absolutely with reference to the sea level, or relatively.</def>

<h1>Hypural</h1> <Xpage=722>

<hw>Hy*pu"ral</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Pref. <ets>hypo-</ets> + Gr. <?/ tail.]</ety> <fld>(Anat.)</fld> <def>Under the tail; -- applied to the bones which support the caudal fin rays in most fishes.</def>

<h1>Hyracoid</h1> <Xpage=722>

<hw>Hy"ra*coid</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Of or pertaining to the Hyracoidea.</def> -- <def2><tt>n.</tt> <def>One of the Hyracoidea.</def></def2>

<h1>Hyracoidea</h1> <Xpage=722>

<hw>Hyr`a*coi"de*a</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL. See <er>Hyrax</er>, and <er>oid</er>.]</ety> <fld>(Zo\'94l.)</fld> <def>An order of small hoofed mammals, comprising the single living genus <spn>Hyrax</spn>.</def>

<h1>Hyrax</h1> <Xpage=722>