Search Result for "archaeozoic": 
Wordnet 3.0

NOUN (1)

1. the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life;
[syn: Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon]


ADJECTIVE (1)

1. of or belonging to earlier of two divisions of the Precambrian era;
- Example: "archeozoic life forms"
[syn: archeozoic, archaeozoic]


The Collaborative International Dictionary of English v.0.48:

Archaeozoic \Archaeozoic\ n. [Gr. 'archai^os ancient + zw^,on animal.] the time from 1.5 billion to 5 billion years ago; the time when the earth's crust formed; a time when only unicellular organisms and the earliest forms of life are present. Syn: Archeozoic, Archeozoic era, Archaeozoic era [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:

archaeozoic \archaeozoic\, Archaeozoic \Ar`ch[ae]*o*zo"ic\, a. [Gr. 'archai^os ancient + zw^,on animal.] (Zool.) Like or belonging to the earliest forms of animal life. [1913 Webster] 2. (Geol.) formed in or belonging to the earlier of two divisions of the Precambrian era. archaeozoic life forms Syn: archeozoic [WordNet 1.5]
WordNet (r) 3.0 (2006):

archaeozoic adj 1: of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms" [syn: archeozoic, archaeozoic] n 1: the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life [syn: Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon]