Chapter 543

Eth*nol"o*gy (?) n. [Gr. <?/ nation + -logy .] The science which treats of the division of mankind into races, their origin, distribution, and relations, and the peculiarities which characterize them.

Ethologic, Ethological <Xpage=513>

Eth`o*log"ic (?) , Eth`o*log"ic*al (?) , a [See Ethology .] treating of, or pertaining to, ethnic or morality, or the science of character.

J. S. Mill.

Ethologist <Xpage=513>

E*thol"o*gist (?) n. One who studies or writes upon ethology.

Ethology <Xpage=513>

E*thol"o*gy (?) , n. [Gr. <?/ a depicting of character; <?/ custom, moral nature + <?/ to speak.]

1. A treatise on morality; ethics.

2. The science of the formation of character, national and collective as well as individual.

J. S. Mill.

Ethopoetic <Xpage=513>

Eth"o*po*et"ic (?) . [Gr. <?/; <?/ custom, manners + <?/ to make or form.] Expressing character. [Obs.]

Urquhart.

Ethule <Xpage=513>

Eth"ule (?) [Ether + Gr. <?/ substance, base. Cf. Ethyl , and see -yl .] (Chem.) Ethyl. [Obs.]

Ethyl <Xpage=513>

Eth"yl (?) , n. [ Ether + -yl .] (Chem.) A monatomic, hydrocarbon radical, C2H5 of the paraffin series, forming the essential radical of ethane, and of common alcohol and ether.

Ethyl aldehyde . (Chem.) See Aldehyde .

Ethylamine <Xpage=513>

Eth`yl*am"ine (?) , n. [ Ethyl + amine .] (Chem.) A colorless, mobile, inflammable liquid, C2H5.NH2 , very volatile and with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine , and amido ethane .

Ethylate <Xpage=513>

Eth"yl*ate (?) . [ From Ethyl .] (Chem.) A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate , C2H5.O.K .

Ethylene <Xpage=513>

Eth"yl*ene (?) , n. [ From Ethyl .] (Chem.) A colorless, gaseous hydrocarbon, C2H4 , forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas . Called also ethene , elayl , and formerly, bicarbureted hydrogen . <-- is effective in hastening the ripening of certain fruits. -->

Ethylene series (Chem.) , the series if unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n .

Ethylic <Xpage=513>

E*thyl"ic (?) . (Chem.) Pertaining to, derived from, or containing, ethyl; as, ethylic alcohol .

Ethylidene <Xpage=513>

E*thyl"i*dene (?) . (Chem.) An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2 . Its compounds are derived from aldehyde. Formerly called also ethidene .

Ethylin <Xpage=513>

Eth"yl*in (?) . (Chem.) Any one of the several complex ethers of ethyl and glycerin.

Ethylsulphuric <Xpage=513>

Eth`yl*sul*phu"ric (?) a. (Chem.) Pertaining to, or containing, ethyl and sulphuric acid.

Ethylsulphuric acid (Chem.) , an acid sulphate of ethyl, H.C2H5.SO4 , produced as a thick liquid by the action of sulphiric acid on alcohol. It appears to be the active catalytic agent in the process of etherification.

Etiolate <Xpage=513>

E"ti*o*late (?) . v. i. [ imp. & p. p. Etiolated (#) ; p. pr. & vb. n . Etiolating .] [F. \'82tioler to blanch.] 1. To become white or whiter; to be whitened or blanched by excluding the light of the sun, as, plants.

2. (Med.) To become pale through disease or absence of light.

Etiolate <Xpage=513>

E"ti*o*late , v. t. 1. To blanch; to bleach; to whiten by depriving of the sun's rays.

2. (Med.) To cause to grow pale by disease or absence of light.

Etiolate, Etiolated <Xpage=513>

E"ti*o*late (?) , E"ti*o*la`ted , a. Having a blanched or faded appearance, as birds inhabiting desert regions.

Etiolation <Xpage=513>

E`ti*o*la"tion (?) , n. 1. The operation of blanching plants, by excluding the light of the sun; the condition of a blanched plant.

2. (Med.) Paleness produced by absence of light, or by disease.

Dunglison.

Etoolin <Xpage=513>

E"to*o*lin (?) , n. [See Etiolate .] (Bot.) A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll.

Encyc. Brit.

Etiological <Xpage=513>

E`ti*o*log"ic*al (?) , a. Pertaining to, or inquiring into, causes; \'91tiological.

Etiology <Xpage=513>

E`ti*ol"o*gy (?) , n. [Cf. F. \'82tiologie .] The science of causes. Same as <?/ tiology .

Etiquette <Xpage=513>

Et"i*quette` (?) , n. [F. prop., a little piece of paper, or a mark or title, affixed to a bag or bundle, expressing its contents, a label, ticket, OF. estiquete , of German origin; cf. LG. stikke peg, pin, tack, stikken to stick, G. stecken . See Stick , and cf. Ticket .] The forms required by good breeding, or prescribed by authority, to be observed in social or official life; observance of the proprieties of rank and occasion; conventional decorum; ceremonial code of polite society.

The pompous etiquette to the court of Louis the Fourteenth. Prescott.

Etna <Xpage=513>

Et"na (?) , n. A kind of small, portable, cooking apparatus for which heat is furnished by a spirit lamp.

There should certainly be an etna for getting a hot cup of coffee in a hurry. V. Baker.

Etnean <Xpage=513>

Et*ne"an (?) , a. [L. Aetnaeus , Gr. <?/ , fr.<?/ (L. Aetna , Aetne ).] Pertaining to Etna, a volcanic mountain in Sicily.

Etoile <Xpage=513>

E`toile" (?) , n. [F.] (Her.) See Estoile .

Etrurian <Xpage=513>

E*tru"ri*an (?) , a. Of or relating to ancient Etruria, in Italy. " Etrurian Shades." Milton, -- n. A native or inhabitant of ancient Etruria.

Etruscan <Xpage=513>

E*trus"can (?) , n. [L. Etruscus .] Of or relating to Etruria. -- n. A native or inhabitant of Etruria.

Etter pike <Xpage=513>

Et"ter pike` (?) , n. [Cf. Atter .] (Zo\'94l.) The stingfish, or lesser weever ( Tranchinus vipera ).

Ettin <Xpage=513>

Et"tin (?) , n. [SA. eten , eoten , orig., gluttonous, fr. etan to eat.] A giant. [Obs.]

Beau & Fl.

Ettle <Xpage=513>

Et"tle (?) , v. t. [Perh. the same word as addle to earn; bur cf. OE. atlien , etlien , to intend, prepare, Icel. \'91tla to think, suppose, mean.] To earn. [Obs.] See Addle , to earn.

Boucher.

Etude <Xpage=513>

E`tude" (?) , n. [F. See Study .] 1. A composition in the fine arts which is intended, or may serve, for a study.

2. (Mus.) A study; an exercise; a piece for practice of some special point of technical execution.

Etul <Xpage=513>

E`tul" (?) , n. [F.] A case for one several small articles; esp., a box in which scissors, tweezers, and other articles of toilet or of daily use are carried.

Etwee <Xpage=513>

Et*wee" (?) , n. See <?/tui .

Shenstone.

Etym <Xpage=513>

Et"ym (?) , n. See Etymon .

H. F. Talbot.

Etymic <Xpage=513>

E*tym"ic (?) , a. Relating to the etymon; as, an etymic word .

Etymologer <Xpage=513>

Et`y*mol"o*ger (?) , n. An etymologist.

Etymological <Xpage=513>

Et`y*mo*log"ic*al (?) , a. [L. etymologicus , Gr. <?/: cf. F. \'82timilogique . See Etymology .] Pertaining to etymology, or the derivation of words. -- Et`y*mo*log"ic*al*ly , adv.

Etymologicon <Xpage=513>

Et`y*mo*log"i*con (?) , n. [NL., fr. Gr. <?/, prop. neut. sing. from <?/.] an etymological dictionary or manual.

Etymologist <Xpage=513>

Et`y*mol"o*gist (?) , n. [Cf. F. \'82tymologiste .] One who investigates the derivation of words.

Etymologize <Xpage=513>

Et`y*mol"o*gize (?) , v. t. [Cf. F. \'82tymologiser .] To give the etymology of; to trace to the root or primitive, as a word.

Camden

Etymologize <Xpage=513>

Et`y*mol"o*gize , v. t. To search into the origin of words; to deduce words from their simple roots.

How perilous it is to etymologize at random. Trench.

Etymology <Xpage=513>

Et`y*mol"o*gy (?) , n. ; pl. Etymologies (#) . [L. etymologia , Gr. <?/; <?/ etymon + <?/ discourse, description: cf. F. \'82tymologie . See Etymon , and -logy .] 1. That branch of philological science which treats of the history of words, tracing out their origin, primitive significance, and changes of from and meaning.

2. That pert of grammar which relates to the changes in the form of the words in a language; inflection.

Etymon <Xpage=513>

Et"y*mon (?) , n. ; pl. E. Etymons (#) , Gr. Etyma (#) . [L., fr. Gr. <?/ the true literal sense of a word according to its derivation, an etymon, fr. <?/ true, real, prob, akin to Skr. sotya , E. sooth . See Sooth .] 1. An original form; primitive word; root.

2. Original or fundamental signification. [R.]

Given as the etymon or genuine sense of the word. Coleridge.

Etypical <Xpage=513>

E*typ"ic*al (?) , a. [Pref. e- + typical .] (Biol.) Diverging from, or lacking conformity to, a type.

Eu <Xpage=513>

Eu (?) . [Gr. <?/ well, orig. neut. of <?/ good; prob. connected with Skr. su , from the same root as E. is ; or with Skr. vasu good, prob. fr. the same root as E. was .] A prefix used frequently in composition, signifying well , good , advantageous ; -- the opposite of dys- .

Eucairite <Xpage=513>

Eu*cai"rite (?) , n. [Gr. <?/ seasonable, opportune; <?/ well, good + <?/ season.] (Min.) A metallic mineral, a selenide of copper and silver; -- so called by Berzelius on account of its being found soon after the discovery of the metal selenium.

Eucalyn <Xpage=513>

Eu"ca*lyn (?) , n. (Chem.) An unfermentable sugar, obtained as an uncrystallizable sirup by the decomposition of melitose; also obtained from a Tasmanian eucalyptus , -- whence its name.

Eucalyptol <Xpage=513>

Eu`ca*lyp*tol (?) , n. [ Eucalyptus + L. ol eum oil.] (Chem.) A volatile, terpenelike oil extracted from the eucalyptus, and consisting largely of cymene.

Eucalyptus <Xpage=513>

Eu`ca*lyp"tus (?) , n. [NL., from GR. <?/ well, good + <?/ covered. The buds of Eucalyptus have a hemispherical or conical covering, which falls off at anthesis.] (Bot.) A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia.

&hand; They have rigid, entire leaves with one edge turned toward the zenith. Most of them secrete resinous gums, whence they called gum trees , and their timber is of great value. Eucalyptus Globulus is the blue gum; E. aigantea , the stringy bark: E. amygdalina , the peppermint tree. E. Gunnii , the Tasmanian cider tree, yields a refreshing drink from wounds made in the bark in the spring. Center species yield oils, tars, acids, dyes and tans. It is said that miasmatic valleys in Algeria and Portugal, and a part of the unhealthy Roman Campagna, have been made more salubrious by planting groves of these trees.

Eucharis <Xpage=513>

Eu"cha*ris (?) , n. [NL., fr. L. eucharis agreeable, Gr. <?/ See Eucharist .] (Bot.) A genus of South American amaryllidaceous plants with large and beautiful white blossoms.

Eucharist <Xpage=513>

Eu"cha*rist (?) , n. [L. euchaistia , Gr. <?/, lit., a giving of banks; <?/ + <?/ favor, grace, banks; akin to <?/ to rejoice, nd prob. to yearn : cf. F. euchaistie .] 1. The act of giving thanks; thanksgiving. [Obs.]

Led through the vale of tears to the region of eucharist and hallelujahs. South.

2. (Eccl.) The sacrament of the Lord's Supper; the solemn act of ceremony of commemorating the death of Christ, in the use of bread and wine, as the appointed emblems; the communion.

-- See Sacrament .

Eucharistic, Eucharistical <Xpage=513>

Eu`cha*ris"tic (?) , Eu`cha*ris"tic*al (?) , a. [Cf. F. eucharistie .] 1. Giving thanks; expressing thankfulness; rejoicing. [Obs.]

The eucharistical part of our daily devotions. Ray.

2. Pertaining to the Lord's Supper. "The eucharistic sacrament."

Sir. G. C. Lewis.

Euchite <Xpage=513>

Eu"chite (?) , n. [From Gr. <?/ to pray.] One who resolves religion into prayer. [Obs.]

Gauden.

Euchloric <Xpage=513>

Eu*chlo"ric (?) , a. [Gr. <?/ fresh and green; <?/ well + <?/ pale green.] (Chem.) Relating to, or consisting of, euchlorine; as, euchloric <?/ .

Davy.

Euchlorine <Xpage=513>

Eu*chlo"rine (?) , n. [Cf. F. euchlorine . See Euchloric .] (Chem.) A yellow or greenish yellow gas, first prepared by Davy, evolved from potassium chlorate and hydrochloric acid. It is supposed to consist of chlorine tetroxide with some free chlorine.

Euchologion, Euchology <Xpage=513>

Eu`cho*lo"gi*on (?) , Eu*chol"o*gy (?) , n. [NL. euchologion , Gr. <?/ prayer book; <?/ prayer, vow (fr. <?/ to pray) + <?/ to say, speak.] (Eccl.) A formulary of prayers; the book of offices in the Greek Church, containing the liturgy, sacraments, and forms of prayers.

Euchologue <Xpage=513>

Eu"cho*logue , n. [F. euchologe .] Euchology. [R.]

Euchre <Xpage=513>

Eu"chre (?) , n. [Perh. from F. \'82cart\'82 .] A game at cards, that may be played by two, three, or four persons, the highest card (except when an extra card called the Joker is used) being the knave of the same suit as the trump, and called right bower , the lowest card used being the seven, or frequently, in two-handed euchre, the nine spot. See Bower .

Euchre <Xpage=513>

Eu"chre , v. t. 1. To defeat, in a game of euchre, the side that named the trump.

2. To defeat or foil thoroughly in any scheme. [Slang.]

Euchroic <Xpage=513>

Eu*chro"ic (?) , a. [Gr. <?/ well-colored; <?/ well + <?/ color.] (Chem.) Having a fine color.

Euchroic acid (Chem.) , an organic, imide acid, obtained as a colorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance ( euchrone ), -- hence its name.

Euchroite <Xpage=513>

Eu"chro*ite (?) , n. [See Euchroic .] (Min.) A mineral occurring in transparent emerald green crystals. It is hydrous arseniate of copper.

Euchrone <Xpage=513>

Eu"chrone (?) n. (Chem.) A substance obtained from euchroic acid. See Eychroic .

Euchymy <Xpage=513>

Eu"chy*my (?) , n. [Gr. <?/ well + <?/ juice liquid. See Chyme .] (Med.) A good state of he blood and other fluids of the body.

Euclase <Xpage=513>

Eu"clase (?) n. [Gr. <?/ well, easily + <?/ to break. Cf. F. euclase , G. euklas . See named from its brittleness.] (Min.) A brittle gem occurring in light green, transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of alumina and glucina.

Euclid <Xpage=513>

Eu"clid (?) , n. A Greek geometer of the 3d century <?/; also, his treatise on geometry, and hence, the principles of geometry, in general.

Euclidian <Xpage=513>

Eu*clid"i*an (?) , n. Related to Euclid, or to the geometry of Euclid.

Euclidian space (Geom.) , the kind of space to which the axioms and definitions of Euclid, relative to straight lines and parallel lines, apply; -- called also flat space , and homaloidal space .

Eucopepoda <Xpage=513>

Eu`co*pep"o*da (?) , n. pl. [NL. See Eu- and Copepoda .] (Zo\'94l.) A group which includes the typical copepods and the lerneans.

Eucrasy <Xpage=513>

Eu"cra*sy (?) . [Gr. <?/; <?/, wellcempered; <?/ well + <?/ to mix, temper: cf. F. eucrasie .] (Med.) Such a due mixture of qualities in bodies as constitutes health or soundness.

Quincy.

Euctical <Xpage=513>

Euc"tic*al (?) [Gr. <?/, fr. <?/ to pray, wish.] Expecting a wish; supplicatory. [R.]

Sacrifices . . . distinguished into expiatory, euctical , and eucharistical. Bp. Law.

Eudemon, Eud\'91mon <Xpage=513>

Eu*de"mon , Eu*d\'91"mon (?) , n. [Gr. <?/ well, good + <?/ one's demon.] A good angel.

Southey.

Eudemonics, Eud\'91monics <Xpage=513>

Eu`de*mon"ics , Eu`d\'91*mon"ics (?) , n. [Gr. <?/ conducive to happiness. See Eudemonism .] That part of moral philosophy which treats of happiness; the science of happiness; -- contrasted with aretaics .

J. Grote.

Eudemonism, Eud\'91monism <Xpage=513>

Eu*de"mon*ism , Eu*d\'91"mon*ism (?) , n. [Gr. <?/ a thinking happy, fr, <?/ blessed with a good genius, happy; <?/ well, good + <?/ one's demon of genius. See Demon .] That system of ethics which defines and enforces moral obligation by its relation to happiness or personal well-being.

Eudemonist, Eud\'91monist <Xpage=513>

Eu*de"mon*ist , Eu*d\'91"mon*ist , n. One who believes in eudemonism.

I am too much of a eud\'91monist ; I hanker too much after a state of happiness both for myself and others. De Quincey.

Eudemonistic, Eud\'91monistic <Xpage=513>

Eu*de`mon*is"tic , Eu*d\'91`mon*is"tic (?) , a. Of or pertaining to eudemonism.

Eudemonistical, Eud\'91monistical <Xpage=513>

Eu*de`mon*is"tic*al , Eu*d\'91`mon*is"tic*al (?) , a. Eudemonistic.

Eudialyte <Xpage=513>

Eu*di"a*lyte (?) , n. [Gr. <?/ well easily + <?/ to dissolve. So called because easily dissolvable in acids.] (Min.) A mineral of a brownish red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime.

Eudiometer <Xpage=513>