Pre-Cambrian
- a variation of Precambrian.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Sponges are filter feeders with no sophisticated digestive system, a consumption method that absorbs less oxygen—and may have made the squishy creatures central to the Pre-Cambrian Explosion.
From Slate ● Mar. 19, 2014
Palaeontologists have charted the diversity of animal forms through time: the handful of Pre-Cambrian species that then exploded to fill, in all their variety, the world.
From The Guardian ● Feb. 13, 2013
There was the Pre- era, equivalent perhaps to the Pre-Cambrian, a period when life could be said to exist but wasn’t very organized yet.
From Forbes ● Apr. 25, 2011
It was to be an intricate and provocative design in green, yellow, and blue pins, all cool colors, and its title was Pre-Cambrian Memory.
From "Cannery Row" by John Steinbeck
Pre-Cambrian time probably was longer than all later geological time down to the present, as we may infer from the vast thicknesses of its rocks and the unconformities which part them.
From The Elements of Geology by Norton, William Harmon
