| / English Dictionary |
CAMBRIAN PERIOD
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
From 544 million to about 500 million years ago; marine invertebrates
Synonyms:
Cambrian; Cambrian period
Classified under:
Nouns denoting time and temporal relations
Instance hypernyms:
geological period; period (a unit of geological time during which a system of rocks formed)
Holonyms ("Cambrian period" is a part of...):
Paleozoic; Paleozoic era (from 544 million to about 230 million years ago)
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