Hypertext Webster Gateway: "Subcarboniferous"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Subcarboniferous \Sub*car`bon*if"er*ous\, a. (Geol.)
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. -- n. The Subcarboniferous period or formation.
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