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Webster 1828 Edition

Adj.

Pertaining to Adam. Adamic earth, is the term given to common red clay, so called by means of a mistaken opinion that Adam means red earth.

Adamic ‎(not comparable)

relating to the Biblical character Adam

“Adamic” in An American Dictionary of the English Language, by Noah Webster, 1828.
“Adamic” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.
Oxford English Dictionary, 2nd ed., 1989.
Random House Webster's Unabridged Electronic Dictionary, 1987-1996.