Webster's Dictionary, 1913

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Eocene adjective [ Greek ... daybreak, dawn + ... new, recent.] (Geol.) Pertaining to the first in time of the three subdivisions into which the Tertiary formation is divided by geologists, and alluding to the approximation in its life to that of the present era; as, Eocene deposits. -- noun The Eocene formation. Lyell.

Eolian adjective [ See Æolian .]
1. Æolian.

2. (Geol.) Formed, or deposited, by the action of wind, as dunes.

Eolian attachment , Eolian harp . See Æolian .

Eolic adjective & noun See Æolic .

Eolipile noun [ Confer French éolipyle .] Same as Æolipile .

Eolis noun [ Latin Aeolis a daughter of Æolus, Greek A'ioli`s .] (Zoology) A genus of nudibranch mollusks having clusters of branchial papillæ along the back. See Ceratobranchia . [ Written also Æolis .]

Eon, Æon noun [ Latin aeon , from Greek a'iwn space or period of time, lifetime, age; akin to Latin aevum . See Age .]
1. An immeasurable or infinite space of time; eternity; a long space of time; an age.

The eons of geological time.
Huxley.

2. (Gnostic Philos.) One of the embodiments of the divine attributes of the Eternal Being.

Among the higher Æons are Mind, Reason, Power, Truth, and Life.
Am. Cyc.

» Eons were considered to be emanations sent forth by God from the depths of His grand solitude to fulfill various functions in the material and spiritual universe.

Eophyte noun [ Greek ... dawn + ... a plant.] (Paleon.) A fossil plant which is found in the lowest beds of the Silurian age.

Eophytic adjective Of or pertaining to eophytes.

Eos noun [ Latin , from Greek 'Hw`s .] (Gr. Myth.) Aurora, the goddess of morn.

Eosaurus noun [ New Latin , from Greek 'hw`s dawn + say^ros lizard.] (Paleon.) An extinct marine reptile from the coal measures of Nova Scotia; -- so named because supposed to be of the earliest known reptiles.

Eosin noun [ Greek ... dawn.] (Chemistry) A yellow or brownish red dyestuff obtained by the action of bromine on fluoresceïn, and named from the fine rose- red which it imparts to silk. It is also used for making a fine red ink. Its solution is fluorescent.

Eosphorite noun [ From Greek ... Bringer of morn.] (Min.) A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, -- whence the name.

Eozoic adjective [ See Eozoön .] (Geol.) Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoön has been found.

» This term has been proposed for the strata formerly called Azoic , and is preferred especially by those geologists who regard the eozoön as of organic origin. See Archæan .

Eozoön noun ; plural Eozoöns , Latin Eozoa . [ New Latin , from Greek 'hw`s dawn + zw^,on an animal.] (Paleon.) A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.

Eozoönal (ē`o*zō"ŏn* a l) adjective (Paleon.) Pertaining to the eozoön; containing eozoöns; as, eozoönal limestone.

Ep- (ĕp-). [ Greek 'epi` .] See Epi- .

Epacris (ĕp"ȧ*krĭs) noun [ New Latin , from Greek 'e`pakros pointed at the end. So called in allusion to the sharply pointed leaves.] (Botany) A genus of shrubs, natives of Australia, New Zealand, etc., having pretty white, red, or purple blossoms, and much resembling heaths.

Epact (ē"păkt) noun [ French épacte , from Greek 'epakto`s brought on or in, added, from 'epa`gein to bring on or in; 'epi` on, in + 'a`gein to bring or lead. See Epi- , and Act .] (Chron.) The moon's age at the beginning of the calendar year, or the number of days by which the last new moon has preceded the beginning of the year.

Annual epact , the excess of the solar year over the lunar year, -- being eleven days. -- Menstrual epact , or Monthly epact , the excess of a calendar month over a lunar.

Epagoge noun [ Latin , from Greek 'epagwgh` a bringing in, from 'epa`gein . See Epact .] (Logic) The adducing of particular examples so as to lead to a universal conclusion; the argument by induction.

Epagogic adjective Inductive. Latham.

Epalate adjective [ Prefix e- + palpus .] (Zoology) Without palpi.

Epanadiplosis noun [ Latin , from Greek ...; 'epi` + ... to make double.] (Rhet.) A figure by which the same word is used both at the beginning and at the end of a sentence; as, " Rejoice in the Lord always: and again I say, Rejoice ." Phil. iv. 4.

Epanalepsis noun [ New Latin , from Greek ...; 'epi` + ... to take up.] (Rhet.) A figure by which the same word or clause is repeated after intervening matter. Gibbs.

Epanaphora noun [ Latin , from Greek ... a recurrence; 'epi` + ... to bring or carry back.] (Rhet.) Same as Anaphora . Gibbs.

Epanastrophe noun [ New Latin , from Greek ... a return, epanastrophe; 'epi` + ... to return.] (Rhet.) Same as Anadiplosis . Gibbs.

Epanodos noun [ Latin , from Greek ... a rising, return; 'epi` + ... a way up, rising; ... up + ... way.] (Rhet.) A figure of speech in which the parts of a sentence or clause are repeated in inverse order , as in the following: --

O more exceeding love, or law more just?
Just law, indeed, but more exceeding love!
Milton.

Epanody noun [ See Epanodos .] (Botany) The abnormal change of an irregular flower to a regular form; -- considered by evolutionists to be a reversion to an ancestral condition.

Epanorthosis noun [ Latin , from Greek ...; 'epi` + ... to set right again; ... again + ... to set straight.] A figure by which a speaker recalls a word or words, in order to substitute something else stronger or more significant; as, Most brave ! Brave, did I say? most heroic act!

Epanthous adjective [ Prefix ep- + Greek 'a`nqos flower.] (Botany) Growing upon flowers; -- said of certain species of fungi.

Eparch noun [ Greek ...; 'epi` over + ... chief, ... supreme power, dominion.] In ancient Greece, the governor or perfect of a province; in modern Greece, the ruler of an eparchy.

Eparchy noun [ Greek ... the post or office of an ....] A province, prefecture, or territory, under the jurisdiction of an eparch or governor; esp., in modern Greece, one of the larger subdivisions of a monarchy or province of the kingdom; in Russia, a diocese or archdiocese.

Eparterial adjective [ Prefix ep- + arterial .] (Anat.) Situated upon or above an artery; -- applied esp. to the branches of the bronchi given off above the point where the pulmonary artery crosses the bronchus.

Epaule noun [ French épaule shoulder, shoulder of a bastion. See Epaulet , and confer Spall the shoulder.] (Fort.) The shoulder of a bastion, or the place where its face and flank meet and form the angle, called the angle of the shoulder.

Epaulement noun [ French épaulement .] (Fort.) A side work, made of gabions, fascines, or bags, filled with earth, or of earth heaped up, to afford cover from the flanking fire of an enemy.

Epaulet, Epaulette noun [ French épaulette , dim. of épaule shoulder, from Latin spatula a broad piece (LL., shoulder), dim. of spatha abroad, flat instrument, from Greek ..., also, a broad rib, shoulder blade. See Spade the instrument, and confer Epaule , Spatula .] (Mil.) A shoulder ornament or badge worn by military and naval officers, differences of rank being marked by some peculiar form or device, as a star, eagle, etc.; a shoulder knot.

» In the United States service the epaulet is reserved for full dress uniform. Its use was abolished in the British army in 1855.

Epauleted, Epauletted adjective Wearing epaulets; decorated with epaulets.

Epaxial adjective [ Prefix ep- + axial .] (Anat.) Above, or on the dorsal side of, the axis of the skeleton; episkeletal.

Epeira noun [ New Latin ] (Zoology) A genus of spiders, including the common garden spider ( E. diadema ). They spin geometrical webs. See Garden spider .

Epen noun (Anat.) See Epencephalon .

Epencephalic adjective (Anat.) (a) Pertaining to the epencephalon. (b) Situated on or over the brain.

Epencephalon noun [ New Latin , from Greek 'epi` upon, near + ... brain.] (Anat.) The segment of the brain next behind the midbrain, including the cerebellum and pons; the hindbrain. Sometimes abbreviated to epen.

Ependyma noun [ New Latin , from Greek ... an upper garment; 'epi` upon + ... a garment; ... in + ... to put on.] (Anat.) The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.

Ependymis noun [ New Latin ] See Ependyma .

Epenetic adjective [ Greek ..., from ... to praise; 'epi` + ... to praise.] Bestowing praise; eulogistic; laudatory. [ Obsolete] E. Phillips.

Epenthesis noun ; plural Epentheses . [ Latin , from Greek ...; 'epi` + ... to put or set in.] (Gram.) The insertion of a letter or a sound in the body of a word; as, the b in "nimble" from Anglo-Saxon nēmol .

Epenthetic adjective [ Greek ...: confer French épenthétique .] (Gram.) Inserted in the body of a word; as, an epenthetic letter or sound.

Épergne noun [ French épargne a sparing or saving; a treasury. "Our épergne is a little treasury of sweetmeats, fruits, and flowers." Brewer. ] A centerpiece for table decoration, usually consisting of several dishes or receptacles of different sizes grouped together in an ornamental design.

Éperlan noun [ French éperlan , from German spierling . See Sparling .] (Zoology) The European smelt ( Osmerus eperlanus ).

Epexegesis noun [ New Latin , from Greek ... detailed narrative, from ... to recount in detail; 'epi` + ... to lead, point out. See Exegesis .] A full or additional explanation; exegesis.

Epexegetical adjective Relating to epexegesis; explanatory; exegetical.