Precambrian

One entry found for Precambrian.

Main Entry: Pre·cam·bri·an
Pronunciation: (")prE-'kam-brE-&n, -'kAm-
Function: adjective
: of, relating to, or being the earliest era of geological history or the corresponding system of rocks that is characterized especially by the appearance of single-celled organisms and is equivalent to the Archean and Proterozoic eons -- see GEOLOGIC TIME table
- Precambrian noun