Synonyms for carboniferous

Noun

1. Carboniferous, Carboniferous period, period, geological period

usage: from 345 million to 280 million years ago

Adjective

1. carboniferous

usage: of or relating to the Carboniferous geologic era; "carboniferous rock system"

2. carbonaceous, carbonous, carbonic, carboniferous

usage: relating to or consisting of or yielding carbon