Etacism
E´ta•cism, n. [Gr. the letter, . Cf. Itacism.] (Greek Gram.) The pronunciation of the Greek η (eta) like the Italian e long, that is like a in the English word ate. See Itacism.

etagère
e•ta•gère", n. [F., fr. etager to arrange on shelves, fr. etage story, floor. See Stage.] A piece of furniture having a number of uninclosed shelves or stages, one above another, for receiving articles of elegance or use. Fairholt.

etape
e•tape´, n. [F. Cf. Staple a mart.]
1. A public storehouse.
2. Supplies issued to troops on the march; hence (Mil.), the place where troops on the march halt over night; also by extension, the distance marched during a day.
3. In Russia, a prison or stockade for the confinement of prisoners in transit.

Etch, n. A variant of Eddish. [Obs.] Mortimer.

Etch, v. t. [ imp. & p. p. Etched p. pr. & vb. n. Etching.] [D. etsen, G. ätzen to feed, corrode, etch. MHG. etzen, causative of ezzen to eat, G. essen . See Eat.]
1. To produce, as figures or designs, on mental, glass, or the like, by means of lines or strokes eaten in or corroded by means of some strong acid. The plate is first covered with varnish, or some other ground capable of resisting the acid, and this is then scored or scratched with a needle, or similar instrument, so as to form the drawing; the plate is then covered with acid, which corrodes the metal in the lines thus laid bare.
2. To subject to etching; to draw upon and bite with acid, as a plate of metal.
"I was etching a plate at the beginning of 1875." Hamerton.
3. To sketch; to delineate. [R.]
"There are many empty terms to be found in some learned writes, to which they had recourse to etc. out their system." Locke.

Etch, v. i. To practice etching; to make etchings.

Etcher
Etch´er, n. One who etches.

Etching
Etch´ing, n.
1. The act, art, or practice of engraving by means of acid which eats away lines or surfaces left unprotected in metal, glass, or the like. See Etch, v. t.
2. A design carried out by means of the above process; a pattern on metal, glass, etc., produced by etching.
3. An impression on paper, parchment, or other material, taken in ink from an etched plate. Etching figures (Min.), markings produced on the face of a crystal by the action of an appropriate solvent. They have usually a definite form, and are important as revealing the molecular structure. — Etching needle, a sharp-pointed steel instrument with which lines are drawn in the ground or varnish in etching. — Etching stitch (Needlework), a stitch used outline embroidery.

Eterminable
E•ter´mi•na•ble, a. [Pref. e- + terminable.] Interminable. [Obs.] Skelton. { E•tern´E•terne´ }, a. [OF. eterne, L. aeternus, for aeviturnus, fr. aevum age. See Age, and cf. Eternal.] Eternal. [Poetic] Shak.
"Built up to eterne significance." Mrs. Browning.

Eternalist
E•ter´nal•ist, n. One who holds the existence of matter to be from eternity. T. Burnet.

Eternalize
E•ter´nal•ize, v. t. To make eternal. Shelton.

Eternally
E•ter´nal•ly, adv. In an eternal manner.
"That which is morally good or evil at any time or in any case, must be also eternally and unchangeably so." South.
"Where western gales eternally reside." Addison.

Eterne
E•terne´, a. See Etern.

Eternity
E•ter´ni•ty, n. ; pl. Eternities (#). [F. eternite, L. aeternitas, fr. aeternus. See Etern.]
1. Infinite duration, without beginning in the past or end in the future; also duration without end in the future; endless time.
"The high and lofty One, that inhabiteth eternity." Is. lvii. 15.
2. Condition which begins at death; immortality.
"Thou know’st ’t is common; all that lives must die, Passing through nature to eternity." Shak.

Eternize
E•ter´nize, v. t. [ imp. & p. p. Eternized p. pr. & vb. n. Eterniziing.] [Cf. F. eterniser.]
1. To make eternal or endless.
"This other [gift] served but to eternize woe." Milton.
2. To make forever famous; to immortalize; as to eternize one’s self, a name, exploits.
"St. Alban’s battle won by famous York, Shall be eternized in all age to come." Shak.

Ethal
Eth´al, n. [ Ether + a. cohol: cf. F. ethal.] (Chem.) A white waxy solid, C₁₆H₃₃.OH; — called also cetylic alcohol. See Cetylic alcohol, under Cetylic.

Ethenic
E•then´ic, a. (Chem.) Pertaining to, derived from. or resembling, ethene or ethylene; as ethenic ether.

Ethenyl
Eth´e•nyl, n. [ Ethene + - yl.] (Chem.) (a) A trivalent hydrocarbon radical, CH₃.C. (b) A univalent hydrocarbon radical of the ethylene series, CH₂:CH; — called also vinyl. See Vinyl.

Ethereal
E•the´re•al, a.
1. Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as ethereal space; ethereal regions.
"Go, heavenly guest, ethereal messenger." Milton.
2. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
"Vast chain of being, which from God began, Natures ethereal, human, angel, man." Pope.
3. (Chem.) Pertaining to, derived from, or resembling, ether; as ethereal salts. Ethereal oil. (Chem.) See Essential oil, under Essential. — Ethereal oil of wine (Chem.), a heavy, yellow, oily liquid consisting essentially of etherin, etherol, and ethyl sulphate. It is the oily residuum left after etherification. Called also heavy oil of wine (distinguished from oil of wine, or œnanthic ether). — Ethereal salt (Chem.), a salt of some organic radical as a base; an ester.

Ethereality
E•the•re•al´i•ty, n. The state of being ethereal; etherealness.
"Something of that ethereality of thought and manner which belonged to Wordsworth’s earlier lyrics." J. C. Shairp.

Etherealization
E•the•re•al•i•za´tion, n. An ethereal or spiritlike state. J. H. Stirling.

Etherealize
E•the´re•al•ize, v. t.
1. To convert into ether, or into subtile fluid; to saturate with ether.
2. To render ethereal or spiritlike.
"Etherealized, moreover, by spiritual communications with the other world." Hawthorne.

Ethereally
E•the´re•al•ly, adv. In an ethereal manner.

Etherealness
E•the´re•al•ness, n. Ethereality.

Ethereous
E•the´re•ous, a. [L. aethereus, Gr. See Ether.]
1. Formed of ether; ethereal. [Obs.]
"This ethereous mold whereon we stand." Milton.
2. (Chem.) Pertaining to, or resembling, ether. Ethereous oil. See Ethereal oil, under Ethereal.

Etheriform
E•ther´i•form, a. [ Ether + form.] Having the form of ether.

Etherin
E´ther•in, n. (Chem.) A white, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether; — formerly called also concrete oil of wine.

Etherization
E•ther•i•za´tion n. (Med.) (a) The administration of ether to produce insensibility. (b) The state of the system under the influence of ether.

Etherize
E´ther•ize, v. t. [ imp. & p. p. Etherized p. pr. & vb. n. Etherizing ] [Cf. F. etheriser.]
1. To convert into ether.
2. To render insensible by means of ether, as by inhalation; as to etherize a patient.

Ethicist
Eth´i•cist, n. One who is versed in ethics, or has written on ethics.

Ethics
Eth´ics, n. [Cf. F. ethique. See Ethic.] The science of human duty; the body of rules of duty drawn from this science; a particular system of principles and rules concerting duty, whether true or false; rules of practice in respect to a single class of human actions; as political or social ethics; medical ethics.
"The completeness and consistency of its morality is the peculiar praise of the ethics which the Bible has taught." I. Taylor.

Ethidene
Eth´i•dene, n. [From Ether.] (Chem.) Ethylidene. [Obs.]

Ethionic
Eth•i•on´ic, a. [ Ethyl + thionic.] (Chem.) Pertaining to, derived from, or designating, an acid so called. Ethionic acid (Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol. { E´thi•op, E•thi•o´pi•an }, n. [L. Aethiops, Gr. ; to burn + face.] A native or inhabitant of Ethiopia; also in a general sense, a negro or black man. { E•thi•o´pi•an, E•thi•op´ic } a. Of or relating to Ethiopia or the Ethiopians.

Ethiopic
E•thi•op´ic, n. The language of ancient Ethiopia; the language of the ancient Abyssinian empire (in Ethiopia), now used only in the Abyssinian church. It is of Semitic origin, and is also called Geez.

Ethiops
E´thi•ops n. [NL. See Ethiop.] (Old Chem.) A black substance; — formerly applied to various preparations of a black or very dark color. [Written also AEthiops.] [Obs.] Ethiops martial (Old Chem.), black oxide of iron. — Ethiops mineral (Old Chem.), black sulphide of mercury, obtained by triturating mercury with sulphur. — Ethiops per se (Old Chem.), mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air. { Eth´moid, Eth•moid´al } a. [Gr. like a sieve; sieve + from: cf. F. ethmoïde, ethmoïdal.] (Anat.) (a) Like a sieve; cribriform. (b) Pertaining to, or in the region of, the ethmoid bone. Ethmoid bone (Anat.), a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed.

Ethmotrubinal
Eth•mo•tru´bi•nal, a. [ Ethmoid + turbinal.] See Turbinal. - - n. An ethmoturbinal bone.

Ethnarch
Eth´narch, n. [Gr. ; nation + leader, commander. See -arch.] (Gr. Antiq.) The governor of a province or people. Lew Wallace.

Ethnic
Eth´nic n. A heathen; a pagan. [Obs.]
"No better reported than impure ethnic and lay dogs." Milton.

Ethnically
Eth´nic•al•ly, adv. In an ethnical manner.

Ethnicism
Eth´ni•cism n. Heathenism; paganism; idolatry. [Obs.] "Taint of ethnicism." B. Jonson.

Ethnographer
Eth•nog´ra•pher n. One who investigates ethnography. { Eth•no•graph´ic, Eth•no•graph´ic•al, }. a. [Cf. F. ethnographique.] pertaining to ethnography.

Ethnographically
Eth•no•graph´ic•al•ly, adv. In an ethnographical manner.

Ethnography
Eth•nog´ra•phy, n. [Gr. nation + -graphy: cf. F. ethnographie.] That branch of knowledge which has for its subject the characteristics of the human family, developing the details with which ethnology as a comparative science deals; descriptive ethnology. See Ethnology. { Eth•no•log´ic, Eth•no•log´ic•al } a Of or pertaining to ethnology.

Ethnologist
Eth•nol´o•gist, n. One versed in ethnology; a student of ethnology.

Ethnology
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. { 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.

Ethology
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
Eth´o•po•et´ic [Gr. ; custom, manners + to make or form.] Expressing character. [Obs.] Urquhart.

Ethos
E´thos, n. [L., fr. Gr. character. See Ethic.]
1. The character, sentiment, or disposition of a community or people, considered as a natural endowment; the spirit which actuates manners and customs; also the characteristic tone or genius of an institution or social organization.
2. (AEsthetics) The traits in a work of art which express the ideal or typic character — character as influenced by the ethos (sense 1) of a people — rather than realistic or emotional situations or individual character in a narrow sense; — opposed to pathos.

Ethylate
Eth´yl•ate (-at), n. [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.

Ethylate
Eth´y•late, v. t. [ imp. & p. p. Ethylated; p. pr. & vb. n. Ethylating.] [From Ethyl.] (Chem.) To treat in such a way as to cause the introduction of one or more ethyl groups, C₂H₅; as to ethylate alcohol.

Ethylidene
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
Eth´yl•in (Chem.) Any one of the several complex ethers of ethyl and glycerin.

Ethylsulphuric
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
E´ti•o•late v. i. [ imp. & p. p. Etiolated (#); p. pr. & vb. n. Etiolating.] [F. etioler 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
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. { E´ti•o•late, E´ti•o•la•ted } a. Having a blanched or faded appearance, as birds inhabiting desert regions.

Etiolation
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.

Etiolin
E´ti•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.

Etiology
E•ti•ol´o•gy, n. [Cf. F. etiologie.] The science of causes. Same as tiology.

Etnean
Et•ne´an, a. [L. Aetnaeus, Gr., fr. (L. Aetna, Aetne).] Pertaining to Etna, a volcanic mountain in Sicily.

etoile
e•toile´ (a•twäl"), n. [F.] (Her.) See Estoile.

Etruscan
E•trus´can, n. [L. Etruscus.] Of or relating to Etruria. — n. A native or inhabitant of Etruria.

Etter pike
Et"ter pike, n. [Cf. Atter.] (Zoöl.) The stingfish, or lesser weever ( Tranchinus vipera).

Ettle
Et´tle, v. t. [Perh. the same word as addle to earn; bur cf. OE. atlien, etlien, to intend, prepare, Icel. aetla to think, suppose, mean.] To earn. [Obs.] See Addle, to earn. Boucher.

Etwee
Et•wee´ (et•ee"), n. See etui. Shenstone.

Etymologer
Et•y•mol´o•ger (et•i•mol"o•jer), n. An etymologist.

Etymological
Et•y•mo•log´ic•al (- mo•loj"i•k al), a. [L. etymologicus, Gr. ’etymologiko•s: cf. F. etymologique. See Etymology.] Pertaining to etymology, or the derivation of words. — Et•y•mo•log´ic•al•ly, adv.

Etymologist
Et•y•mol´o•gist (et•i•mol"o•jist), n. [Cf. F. etymologiste.] One who investigates the derivation of words.

Etymologize
Et•y•mol´o•gize (-jiz), v. t. [Cf. F. etymologiser.] To give the etymology of; to trace to the root or primitive, as a word. Camden

Etymologize
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
Et•y•mol´o•gy (-jy), n. ; pl. Etymologies (-jiz). [L. etymologia, Gr. ’etymologi•a; ’e•tymon etymon + lo•gos discourse, description: cf. F. etymologie. 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 form and meaning.
2. That part of grammar which relates to the changes in the form of the words in a language; inflection.