Chapter 840

Is`chi*at"ic (?) , a. (Anat.) Same as Ishial .

Ischiocapsular <Xpage=791>

Is`chi*o*cap"su*lar (?; 135) a. [ Ischium + capsular .] (Anat.) Of or pertaining to the ischium and the capsule of the hip joint; as, the ischiocapsular ligament .

Ischiocerite <Xpage=791>

Is`chi*o*ce"rite (?) , n. [Gr. <?/ the hip + <?/ a horn.] (Zo\'94l.) The third joint or the antenn\'91 of the Crustacea.

Ischion, Ischium <Xpage=791>

Is"chi*on (?) , Is"chi*um (?) , n. [L., Gr. <?/.]

1. (Anat.) The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.

2. (Zo\'94l.) One of the pleur\'91 of insects.

Ischiopodite <Xpage=791>

Is`chi*op"o*dite (?) , n. [Gr. <?/ the hip joint + <?/, <?/, foot.] (Zo\'94l.) The third joint of the typical appendages of Crustacea.

Ischiorectal <Xpage=791>

Is`chi*o*rec"tal (?) , a. [ Ischium + rectal .] (Anat.) Of or pertaining to the region between the rectum and ishial tuberosity.

Ischuretic <Xpage=791>

Is`chu*ret"ic (?) , a. Having the quality of relieving ischury. -- n. An ischuretic medicine.

Ischury <Xpage=791>

Is"chu*ry (?) , n. [L. ischuria , Gr. <?/; <?/ to hold, check + <?/ urine: cf. F. ischurie .] (Med.) A retention or suppression of urine.

-ise <Xpage=791>

-ise (?) . See -ize .

Isentropic <Xpage=791>

I`sen*trop"ic (?) , a. [ Is- + entropy + - ic .] (Physics) Having equal entropy.

Isentropic lines , lines which pass through points having equal entropy.

Isethionic <Xpage=791>

I*seth`i*on"ic (?) , a. [ Is- + ethionic .] (Chem.) Pertaining to, derived from, or designating, an acid, HO.C2H4.SO3H , obtained as an oily or crystalline substance, by the action of sulphur trioxide on alcohol or ether. It is derivative of sulphuric acid.

-ish <Xpage=791>

-ish (?) . [AS. - isc ; akin to G. - isch , OHG. - isc , Goth. & Dan. - isk , Gr. <?/. Cf. -esque .] A suffix used to from adjectives from nouns and from adjectives. It denotes relation , resemblance , similarity , and sometimes has a diminutive force; as, self ish , boy ish , brut ish ; whit ish , somewhat white.

-ish <Xpage=791>

-ish . [OE. - issen , fr. F. - is , - iss- (found in the present particle, etc., of certain verbs, as finir to finish, fleurir to flourish), corresponding to L. - escere , an inchoative ending.] A verb ending, originally appearing in certain verbs of French origin; as, abol ish , cher ish , fin ish , furn ish , garn ish , impover ish .

Ishmaelite <Xpage=791>

Ish"ma*el*ite (?) , n. 1. A descendant of Ishmael (the son of Abraham and Hagar), of whom it was said, "His hand will be against every man, and every man's hand against him."

Gen. xvi. 12.

2. One at enmity with society; a wanderer; a vagabond; an outcast.

Thackeray.

3. See Ismaelian .

Ishmaelitish <Xpage=791>

Ish"ma*el*i`tish (?) , a. Of, pertaining to, or resembling, an Ishmaelite or the Ishmaelites.

Isiac <Xpage=791>

I"si*ac (?) , a. [L. Isiacus , Gr. <?/, fr. <?/.] Pertaining to the goddess Isis; as, Isiac mysteries .

Isicle <Xpage=791>

I"si*cle (?) , n. A icicle. [Obs.]

Isidorian <Xpage=791>

Is`i*do"ri*an (?) , a. Pertaining, or ascribed, to Isidore; as, the Isidorian decretals, a spurious collection of decretals published in the ninth century .

Isinglass <Xpage=791>

I"sin*glass (?) , n. [Prob. corrupted fr. D. huizenblas (akin to G. hausenblase ), lit., bladder of the huso, or large sturgeon; huizen sturgeon + blas bladder. Cf. Bladder , Blast a gust of wind.]

1. A semitransparent, whitish, and very pure from of gelatin, chiefly prepared from the sounds or air bladders of various species of sturgeons (as the Acipenser huso ) found in the of Western Russia. It used for making jellies, as a clarifier, etc. Cheaper forms of gelatin are not unfrequently so called. Called also fish glue .

2. (Min.) A popular name for mica, especially when in thin sheets.

Isis <Xpage=791>

I"sis (?) , n. [L., the goddess Isis, fr. Gr. <?/.]

1. (Myth.) The principal goddess worshiped by the Egyptians. She was regarded as the mother of Horus, and the sister and wife of Osiris. The Egyptians adored her as the goddess of fecundity, and as the great benefactress of their country, who instructed their ancestors in the art of agriculture.

2. (Zo\'94l.) Any coral of the genus Isis, or family Isid\'91 , composed of joints of white, stony coral, alternating with flexible, horny joints. See Gorgoniacea .

3. (Astron.) One of the asteroids.

Islam <Xpage=791>

Is"lam (?) , n. [Ar. isl\'bem obedience to the will of God, submission, humbling one's self, resigning one's self to the divine disposal. Cf. Moslem .]

1. The religion of the Mohammedans; Mohammedanism; Islamism. Their formula of faith is: There is no God but Allah, and Mohammed is his prophet.

2. The whole body of Mohammedans, or the countries which they occupy.

Islamism <Xpage=791>

Is"lam*ism (?) , n. [Cf. F. islamisme .] The faith, doctrines, or religious system of the Mohammedans; Mohammedanism; Islam.

Islamite <Xpage=791>

Is"lam*ite (?) , n. A Mohammedan.

Islamitic <Xpage=791>

Is`lam*it"ic (?) , a. Of or pertaining to Islam; Mohammedan.

Islamize <Xpage=791>

Is"lam*ize (?) , v. i. & t. [ imp. & p. p. Islamized (?) ; p. pr. & vb. n. Islamizing (?) .] To conform, or cause to conform, to the religion of Islam.

Island <Xpage=791>

Is"land (?) , n. [OE. iland , yland , AS. \'c6gland , <?/gland , <?/glond ; \'c6g , <?/g , island + land , lond , land. AS. \'c6g , <?/g , is akin to AS. e\'a0 water, river, OHG. <?/uwa , G. au meadow, Icel. ey island, Dan. & Sw. \'94 , Goth. ahwa a stream, water, L. aqua water. The s is due to confusion with isle . Cf. Ait , Eyot , Ewer , Aquatic .]

1. A tract of land surrounded by water, and smaller than a continent. Cf. Continent .

2. Anything regarded as resembling an island; as, an island of ice .

3. (Zo\'94l.) See Isle , n. , 2.

Islands of the blessed (Myth.) , islands supposed to lie in the Western Ocean, where the favorites of the gods are conveyed at death, and dwell in everlasting joy.

Island <Xpage=791>

Is"land (?) , v. t. 1. To cause to become or to resemble an island; to make an island or islands of; to isle.

Shelley.

2. To furnish with an island or with islands; as, to island the deep .

Southey.

Islander <Xpage=791>

Is"land*er (?) , n. An inhabitant of an island.

Islandy <Xpage=791>

Is"land*y (?) , a. Of or pertaining to islands; full of islands.

Cotgrave.

Isle <Xpage=791>

Isle (?) , n. [ Obs .] See Aisle .

Isle <Xpage=791>

Isle (?) , n. [OF. isle , F. \'8cle , L. insula ; cf. Lith. sala . Cf. Insulate .]

1. An island. [Poetic]

Imperial rule of all the seagirt isles . Milton.

2. (Zo\'94l.) A spot within another of a different color, as upon the wings of some insects.

Isle <Xpage=791>

Isle , v. t. To cause to become an island, or like an island; to surround or encompass; to island. [Poetic]

Isled in sudden seas of light. Tennyson.

Islet <Xpage=791>

Is"let (?) , n. [OF. islette (cf. F. \'8clot ), dim. of isle .] A little island.

-ism <Xpage=791>

-ism (?) . [F. - isme , or L. - ismus , Gr. <?/.] A suffix indicating an act , a process , the result of an act or a process , a state ; also, a characteristic (as a theory, doctrine, idiom, etc.); as, bapt ism , galvan ism , organ ism , hypnot ism , social ism , sensual ism , Anglic ism .

Ism <Xpage=791>

Ism , n. [See ism , above.] A doctrine or theory; especially, a wild or visionary theory.

E. Everett.

The world grew light-headed, and forth came a spawn of isms which no man can number. S. G. Goodrich.

Ismaelian, Ismaelite <Xpage=791>

Is`ma*e"li*an (?) , Is"ma*el*ite (?) , n. (Eccl.) One of a sect of Mohammedans who favored the pretensions of the family of Mohammed ben Ismael, of the house Ali.

Iso-, Is- <Xpage=791>

I"so- (?) , Is- (?) . [Gr. 'i`sos equal.] A prefix or combining form, indicating identity , or equality ; the same numerical value ; as in iso pod, iso morphous, iso chromatic . Specif.: (a) (Chem.) Applied to certain compounds having the same composition but different properties; as in iso cyanic . (b) (Organic Chem.) Applied to compounds of certain isomeric series in whose structure one carbon atom, at least, is connected with three other carbon atoms; -- contrasted with neo- and normal ; as in iso paraffine; iso pentane.

Isobar <Xpage=791>

I"so*bar (?) , n. [ Iso- + Gr. <?/ weight.] (Phys. Geog.) A line connecting or marking places upon the surface of the earth where height of the barometer reduced to sea level is the same either at a given time, or for a certain period (mean height), as for a year; an isopiestic line. [Written also isobare .]

Isobaric <Xpage=791>

I`so*bar"ic (?) , a. (Phys. Geog.) Denoting equal pressure; as, an isobaric line; specifically, of or pertaining to isobars.

Isobar <Xpage=791>

I"so*bar (?) , n. The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science.

Isobarometric <Xpage=791>

I`so*bar`o*met"ric (?) , a. [ Iso + barometric .] (Phys. Geog.) Indicating equal barometric pressure.

Isobathytherm <Xpage=791>

I`so*bath"y*therm (?) , n. [ Iso- + Gr. <?/ deep + <?/ heat.] (Phys. Geog.) A line connecting the points on the surface of the earth where a certain temperature is found at the same depth.

Isobathythermic <Xpage=791>

I`so*bath"y*ther"mic (?) , a. Of or pertaining to an isobathytherm; possessing or indicating the same temperature at the same depth.

Isocephalism <Xpage=791>

I`so*ceph"a*lism (?) , n. [From Gr. <?/ like-headed. See Iso- , and Cephalon .] (Art) A peculiarity in the design of bas-relief by which the heads of human figures are kept at the same height from the ground, whether the personages are seated, standing, or mounted on horseback; -- called also isokephaleia .

Isochasm <Xpage=791>

I"so*chasm (?) , n. [ Iso- + chasm .] (Phys. Geog.) A line connecting places on the earth's surface at which there is the same mean frequency of auroras.

Isochasmic <Xpage=791>

I`so*chas"mic (?) , a. Indicating equal auroral display; as, an isochasmic line .

Isocheim <Xpage=791>

I"so*cheim (?) , n. [ Iso- + Gr. <?/, <?/, winter.] (Phys. Geog.) A line connecting places on the earth having the same mean winter temperature. Cf. Isothere .

Isocheimal, Isochimal <Xpage=791>

I`so*chei"mal , I`so*chi"mal (?) , a. Pertaining to, having the nature of, or making, isocheims; as, an isocheimal line; an isocheimal chart.

Isocheimenal, Isochimenal <Xpage=791>

I`so*chei"me*nal (?) , I`so*chi"me*nal a. The same as Isocheimal .

Isocheimic <Xpage=791>

I`so*chei"mic (?) , a. The same as Isocheimal .

Isochimene <Xpage=791>

I`so*chi"mene (?) , n. The same as Isocheim .

Isochromatic <Xpage=791>

I`so*chro*mat"ic (?) , a. [ Iso- + chromatic .] (Opt.) Having the same color; connecting parts having the same color, as lines drawn through certain points in experiments on the chromatic effects of polarized light in crystals.

Isochronal <Xpage=791>

I*soch"ro*nal (?) , a. [See Isochronous .] Uniform in time; of equal time; performed in equal times; recurring at regular intervals; isochronal vibrations or oscillations.

Isochronic <Xpage=791>

I`so*chron"ic (?) , a. Isochronal.

Isochronism <Xpage=791>

I*soch"ro*nism (?) , n. The state or quality of being isochronous.

Isochronon <Xpage=791>

I*soch"ro*non (?) , n. [NL. See Isochronous .] A clock that is designed to keep very accurate time.

Isochronous <Xpage=791>

I*soch"ro*nous (?) , a. [Gr. <?/; <?/ equal + <?/ time.] Same as Isochronal .

Isochroous <Xpage=791>

I*soch"ro*ous (?) , a. [ Iso- + Gr. <?/ color.] Having the same tint or color throughout; uniformly or evenly colored.

Isoclinal, Isoclinic <Xpage=791>

I`so*cli"nal (?) , I`so*clin"ic (?) , a. [ Iso- + Gr. <?/ to incline.] Of or pertaining to, or indicating, equality of inclination or dip; having equal inclination or dip.

Isoclinal lines (Magnetism) , lines on the earth's surface connecting places at which a dipping needle indicates the same inclination or dip.

Isocrymal <Xpage=791>

I`so*cry"mal (?) , a. (Phys. Geog.) Pertaining to, having the nature of, or illustrating, an isocryme; as, an isocrymal line; an isocrymal chart.

Isocryme <Xpage=791>

I"so*cryme (?) , n. [ Iso- + Gr. <?/ cold.] (Phys. Geog.) A line connecting points on the earth's surface having the same mean temperature in the coldest month of the year.

Isocrymic <Xpage=791>

I`so*crym"ic (?) , a. Isocrymal.

Isocyanic <Xpage=791>

I`so*cy*an"ic (?) , a. [ Iso- + cyanic .] (Chem.) Designating an acid isomeric with cyanic acid.

Isocyanic acid , an acid metameric with cyanic acid, and resembling it in its salts. It is obtained as a colorless, mobile, unstable liquid by the heating cyanuric acid. Called technically carbimide .

Isocyanuric <Xpage=791>

I`so*cy`a*nu"ric (?) , a. [ Iso- + cyanuric .] (Chem.) Designating, or pertaining to, an acid isomeric with cyanuric acid, and called also fulminuric acid . See under Fulminuric .

Isodiabatic <Xpage=791>

I`so*di`a*bat"ic (?) , a. [ Iso- + Gr. <?/ to pass through.] (Physics) Pertaining to the reception or the giving out of equal quantities of heat by a substance.

Rankine.

Isodiabatic lines &or; curves , a pair of lines or curves exhibiting, on a diagram of energy, the law of variation of the pressure and density of a fluid, the one during the lowering, and the other during the raising, of its temperature, when the quantity of heat given out by the fluid during any given stage of the one process is equal to the quantity received during the corresponding stage of the other. Such lines are said to be isodiabatic with respect to each other. Compare Adiabatic .

Isodiametric <Xpage=791>

I`so*di`a*met"ric (?) , a. [ Iso- + diametric .]

1. (Crystallog.) Developed alike in the directions of the several lateral axes; -- said of crystals of both the tetragonal and hexagonal systems.

2. (Bot.) Having the several diameters nearly equal; -- said of the cells of ordinary parenchyma.

Isodimorphic <Xpage=791>

I`so*di*mor"phic (?) , a. [ Iso- + dimorphic .] Isodimorphous.

Isodimorphism <Xpage=791>

I`so*di*mor"phism (?) , n. Isomorphism between the two forms severally of two dimorphous substances.

Isodimorphous <Xpage=791>

I`so*di*mor"phous (?) , a. [ Iso- + dimorphous .] Having the quality of isodimorphism.

Isodulcite <Xpage=791>

I`so*dul"cite (?) , n. [ Iso- + dulcite .] (Chem.) A white, crystalline, sugarlike substance, obtained by the decomposition of certain glucosides, and intermediate in nature between the hexacid alcohols ( ductile , mannite , etc.) and the glucoses.

Isodynamic <Xpage=791>

I`so*dy*nam"ic (?) , a. [ Iso- + dynamic .] Of, pertaining to, having, or denoting, equality of force.

Isodynamic foods (Physiol.) , those foods that produce a similar amount of heat. -- Isodynamic lines (Magnetism) , lines on the earth's surface connecting places at which the magnetic intensity is the same.

Isodynamous <Xpage=791>

I`so*dy"na*mous (?) , a. [Gr. <?/. See Isodynamic .] Of equal force or size.

Isogeotherm <Xpage=791>

I`so*ge"o*therm (?) , n. [ Iso- + Gr. gh^ the earth + qe`rmh heat.] (Phys. Geog.) A line or curved surface passing beneath the earth's surface through points having the same mean temperature.

Isogeothermal, Isogeothermic <Xpage=791>

I`so*ge`o*ther"mal (?) , I`so*ge`o*ther"mic (?) , a. Pertaining to, having the nature of, or marking, isogeotherms; as, an isogeothermal line or surface; as isogeothermal chart. -- n. An isogeotherm.

Isogonic <Xpage=791>

I`so*gon"ic (?) , a. [ Iso- + Gr. <?/ angle.] Pertaining to, or noting, equal angles.

Isogonic lines (Magnetism) , lines traced on the surface of the globe, or upon a chart, connecting places at which the deviation of the magnetic needle from the meridian or true north is the same.

Isogonic <Xpage=791>

I`so*gon"ic , a. (Zo\'94l.) Characterized by isogonism.

Isogonism <Xpage=791>

I*sog"o*nism (?) , n. [ Iso- + Gr. <?/ offspring, generative parts.] (Zo\'94l.) The quality of having similar sexual zooids or gonophores and dissimilar hydrants; -- said of certain hydroids.

Isographic <Xpage=791>

I`so*graph"ic (?) , a. Of or pertaining to isography.

Isography <Xpage=791>

I*sog"ra*phy (?) , n. [ Iso- + - graphy .] Imitation of another's handwriting,

Isohyetose <Xpage=791>