Defn: Afflicting animals; — used of a disease affecting the animals of a district. It corresponds to an endemic disease among men.

ENZYME
En"zyme, n. Etym: [Pref. en- (Gr. (Physiol. Chem.)

Defn: An unorganized or unformed ferment, in distinction from an organized or living ferment; a soluble, or chemical, ferment. Ptyalin, pepsin, diastase, and rennet are good examples of enzymes.

EOCENE
E"o*cene, a. Etym: [Gr. (Geol.)

Defn: 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.

Defn: The Eocene formation. Lyell.

EOLIAN
E*o"li*an, a. Etym: [See Æolian.]

1. Æolian.

2. (Geol.)

Defn: Formed, or deposited, by the action of wind, as dunes. Eolian attachment, Eolian harp. See Æolian.