(E"on Æ"on) n. [L. aeon, fr. Gr. a'iwn space or period of time, lifetime, age; akin to L. aevum. See
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.
(E"o*phyte) n. [Gr. dawn + a plant.] (Paleon.) A fossil plant which is found in the lowest beds
of the Silurian age.
(E`o*phyt"ic) a. Of or pertaining to eophytes.
(||E"os) n. [L., fr. Gr. 'Hw`s.] (Gr. Myth.) Aurora, the goddess of morn.
(||E`o*sau"rus) n. [NL., fr. Gr. '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
(E"o*sin) n. (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. '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
(E`o*zo"ön*al) a. (Paleon.) Pertaining to the eozoön; containing eozoöns; as, eozoönal limestone.
(Ep-) 'epi`.]> See Epi-.
(||Ep"a*cris) n. [NL., from Gr. 'e`pakros 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) n. [F. épacte, fr. Gr. 'epakto`s brought on or in, added, fr. '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