permian has definitions from the field of geology
1
[ noun ] (geology) from 230 million to 280 million years ago; reptiles

Synonyms

Permian_period

Used in print

(Jim Thompson, The Transgressors....)

After a time , he straightened again , brushing the red Permian dust from his hands , slapping it from his six dollar levis and his tailored , twenty-five dollar shirt .

Related terms

period Paleozoic

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