Associations to the word «Precambrian»

Wiktionary

PRECAMBRIAN, adjective. (informal) (geology) Relating to the time and geology dated before the Phanerozoic
PRECAMBRIAN, proper noun. (geology) The eon (or supereon) and rock formations dated before 541.0±1.0 million years ago, coinciding with the first appearance of the fossils of hard-shelled animals.

Dictionary definition

PRECAMBRIAN, noun. The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago.

Wise words

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.
Noam Chomsky