Eocene
E´o•cene, a. [Gr. 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. — n. The Eocene formation. Lyell.
Eolian
E•o´li•an, a. [See AEolian.]
1. AEolian.
2. (Geol.) Formed, or deposited, by the action of wind, as dunes. Eolian attachment, Eolian harp. See AEolian.
Eolic
E•ol´ic, a. & n. See AEolic.
Eolipile
E•ol´i•pile, n. [Cf. F. eolipyle.] Same as AEolipile.
Eolis
E´o•lis, n. [L. Aeolis a daughter of AEolus, Gr. A’ioli•s.] (Zoöl.) A genus of nudibranch mollusks having clusters of branchial papillae along the back. See Ceratobranchia. [Written also AEolis.] { E´on, AE´on } n. [L. aeon, fr. Gr. a’iwn space or period of time, lifetime, age; akin to L. 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 AEons 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
E´o•phyte, n. [Gr. dawn + a plant.] (Paleon.) A fossil plant which is found in the lowest beds of the Silurian age.
Eophytic
E•o•phyt´ic, a. Of or pertaining to eophytes.
Eos
E´os, n. [L., fr. Gr. ’Hw•s.] (Gr. Myth.) Aurora, the goddess of morn.
Eosaurus
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 known reptiles.
Eosin
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.
Eosphorite
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.
Eozoic
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 Archaean.
Eozoön
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 Archaean 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
E•o•zo"ön•al (e•o•zo"on• al), a. (Paleon.) Pertaining to the eozoön; containing eozoöns; as eozoönal limestone.