E`o*zo"ic (?), a. [See Eozoon.] Geol.
Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoon has been found.
⇒ This term has been proposed for the strata formerly called Azoic, and is preferred especially by those geologists who regard the eozoon as of organic origin. See Archaean.
© Webster 1913.