CARBONIFEROUS





Definition:

  1. [noun] from 345 million to 280 million years ago
    Synonyms: Carboniferous, Carboniferous period

  2. [adjective] of or relating to the Carboniferous geologic era; "carboniferous rock system"

  3. [adjective] relating to or consisting of or yielding carbon
    Synonyms: carbonaceous, carbonous, carbonic

Synonyms: