Definitions

from The Century Dictionary.

  • Not known to contain fossils: applied to the early rocks and period of the earth in which definite evidence of organic life has not been found.
  • noun The rocks and period not yet known to contain evidences of life: contrasted with eozoic and paleozoic, and essentially equivalent, so far as the term has been applied, to the Huronian of Logan and the Algonkian of Walcott. Not in general use.

Etymologies

Sorry, no etymologies found.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.