Synonyms for Carboniferous:

n.

alkali, base, compound, chemical, chloride, agrochemical, acid, element, catalyst. caveman, era, Cro-Magnon man, fossilize, fossilized, the Dreamtime, ammonite, the Cretaceous, fossil. carboniferous (noun)
carboniferous period.
time (noun)
carboniferous period.

Other synonyms:

Carboniferous period
carboniferous period.
the Dreamtime, ammonite, chemical, alkali, chloride, compound, the Cretaceous, caveman, element, fossilized, fossilize, agrochemical, fossil, Cro-Magnon man, catalyst. era. acid. base. Other relevant words:
agrochemical, alkali, catalyst, acid, caveman, chemical, fossilized, base, chloride, era, element, fossil, compound, fossilize, ammonite.

Usage examples for carboniferous

  1. The coal measures of Great Britain, of Germany, Belgium, and northern France, of Russia, and the largest coal beds of China are all of Carboniferous age. – The Economic Aspect of Geology by C. K. Leith
  2. On the north the subsidence in this area was comparatively slight, for the Carboniferous strata scarcely exceed two thousand feet in thickness. – The Elements of Geology by William Harmon Norton
  3. Carboniferous producing or containing coal. – Unexplored! by Allen Chaffee