Webster's Revised Unabridged Dictionary -- Volume DE

E`o·sau"rus (?), n. [NL., fr. Gr. ηωσ dawn + σαυροσ lizard.] (Paleon.) An extinct marine reptile from the coal measures of Nova Scotia; -- so named because supposed to be of the earliest known reptiles.

E"o·sin (?), n. [Gr. ? dawn.] (Chem.) 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.

E·os"pho·rite (?), n. [From Gr. ? Bringer of morn.] (Min.) A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, -- whence the name.

E`o·zo"ic (?), a. [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.

E`o·zo"ön (?), n.; pl. Eozoöns (#), L. Eozoa (#). [NL., fr. Gr. ηωσ dawn + ζω*ον 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.

E`o·zo"ön·al (ē`·zō"ŏn·al), a. (Paleon.) Pertaining to the eozoön; containing eozoöns; as, eozoönal limestone.

Ep- (ĕp-). [Gr. επι.] See Epi-.

Ep"a·cris (ĕp"·krĭs), n. [NL., from Gr. επακροσ pointed at the end. So called in allusion to the sharply pointed leaves.] (Bot.) A genus of shrubs, natives of Australia, New Zealand, etc., having pretty white, red, or purple blossoms, and much resembling heaths.

E"pact (ē"păkt), n. [F. épacte, fr. Gr. επακτοσ brought on or in, added, fr. επαγειν to bring on or in; επι on, in + αγειν 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.