Bible Dictionaries
Subcarboniferous

Webster's Dictionary

(1):

(n.) The Subcarboniferous period or formation.

(2):

(a.) Of or pertaining to the lowest division of the Carboniferous formations underlying the proper coal measures. It was a marine formation characterized in general by beds of limestone.

Bibliography Information
Webster, Noah. Entry for 'Subcarboniferous'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/subcarboniferous.html. 1828.