Part 5481

<hw>Hy"gro*graph</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet + <ets>-graph</ets>.]</ety> <fld>(Physics)</fld> <def>An instrument for recording automatically the variations of the humidity of the atmosphere.</def>

<h1>Hygrology</h1> <Xpage=718>

<hw>Hy*grol"o*gy</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet + <ets>-logy</ets>: cf. F. <ets>hygrologie</ets>.]</ety> <fld>(Med.)</fld> <def>The science which treats of the fluids of the body.</def>

<h1>Hygrometer</h1> <Xpage=718>

<hw>Hy*grom"e*ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet, moist + <ets>-meter</ets>: cf. F. <ets>hygrom\'8atre</ets>.]</ety> <fld>(Physics)</fld> <def>An instrument for measuring the degree of moisture of the atmosphere.</def>

<cs><col>Daniell's hygrometer</col>, <cd>a form of hygrometer consisting of a bent glass tube terminating in two bulbs, the one covered with muslin, the other of black glass, and containing ether and a thermometer. Ether being poured on the muslin, the black ball, cooled by the evaporation of the ether within, is soon covered with dew; at this moment, the inclosed thermometer gives the dew-point, and this, compared with the reading of one in the air, determines the humidity.</cd></cs>

<h1>Hygrometric, Hygrometrical</h1> <Xpage=718>

<hw><hw>Hy`gro*met"ric</hw> <tt>(?)</tt>, <hw>Hy`gro*met"ric*al</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[Cf. F. <ets>hygrom\'82trique</ets>.]</ety> <p><b>1.</b> <def>Of or pertaining to hygrometry; made with, or according to, the hygrometer; <as>as, <ex>hygrometric</ex> observations</as>.</def>

<p><b>2.</b> <def>Readily absorbing and retaining moisture; <as>as, <ex>hygrometric</ex> substances, like potash</as>.</def>

<h1>Hygrometry</h1> <Xpage=718>

<hw>Hy*grom"e*try</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>hygrom\'82trie</ets>.]</ety> <fld>(Physics)</fld> <def>That branch of physics which relates to the determination of the humidity of bodies, particularly of the atmosphere, with the theory and use of the instruments constructed for this purpose.</def>

<h1>Hygrophanous</h1> <Xpage=718>

<hw>Hy*groph"a*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ wet + <?/ to show.]</ety> <def>Having such a structure as to be diaphanous when moist, and opaque when dry.</def>

<h1>Hygrophthalmic</h1> <Xpage=718>

<hw>Hy`groph*thal"mic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ wet + E. <ets>ophthalmic</ets>.]</ety> <fld>(Anat.)</fld> <def>Serving to moisten the eye; -- sometimes applied to the lachrymal ducts.</def>

<h1>Hygroplasm</h1> <Xpage=718>

<hw>Hy"gro*plasm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet + <?/ form, mold.]</ety> <fld>(Biol.)</fld> <def>The fluid portion of the cell protoplasm, in opposition to <i>stereoplasm</i>, the solid or insoluble portion. The latter is supposed to be partly nutritive and partly composed of idioplasm.</def>

<h1>Hygroscope</h1> <Xpage=718>

<hw>Hy"gro*scope</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet + <ets>-scope</ets>: cf. F. <ets>hygroscope</ets>.]</ety> <fld>(Physics)</fld> <def>An instrument which shows whether there is more or less moisture in the atmosphere, without indicating its amount.</def>

<h1>Hygroscopic</h1> <Xpage=718>

<hw>Hy`gro*scop"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>hygroscopique</ets>.]</ety> <p><b>1.</b> <def>Of or pertaining to, or indicated by, the hygroscope; not readily manifest to the senses, but capable of detection by the hygroscope; <as>as, glass is often covered with a film of <ex>hygroscopic</ex> moisture</as>.</def>

<p><b>2.</b> <def>Having the property of readily inbibing moisture from the atmosphere, or of the becoming coated with a thin film of moisture, as glass, etc.</def>

<h1>Hygroscopicity</h1> <Xpage=718>

<hw>Hy`gro*sco*pic"i*ty</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Bot.)</fld> <def>The property possessed by vegetable tissues of absorbing or discharging moisture according to circumstances.</def>

<h1>Hygrostatics</h1> <Xpage=718>

<hw>Hy`gro*stat"ics</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ wet + <?/. See <er>Statics</er>.]</ety> <def>The science or art of comparing or measuring degrees of moisture.</def>

<i>Evelyn.</i>

<h1>Hyke</h1> <Xpage=718>