cretaceous | ||
1. | [ adjective ] (geology) of or relating to the Cretaceous geologic era | |
Examples: | "cretaceous rocks" |
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2. | [ adjective ] abounding in chalk | |
Related terms: | chalk | |
3. | [ noun ] (geology) from 63 million to 135 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants | |
Synonyms: | Cretaceous_period | |
Related terms: | period Mesozoic | |
Similar spelling: |
Crutcher crotchet crotchety criticize criticise chartaceous criticism |