uniformitarian

• POS: Adjective, Noun
• HYPHEN: u=ni=form=i=tar=i=an

CIDE DICTIONARY

uniformitarian, a. 

 Of, pertaining to, or designating, the view or doctrine that existing causes, acting in the same manner and with essentially the same intensity as at the present time, are sufficient to account for all geological changes.  [1913 Webster]

uniformitarian, n. 

 One who accepts uniformitarianism, or the uniformitarian doctrine.  [1913 Webster]

OXFORD DICTIONARY

uniformitarian, adj. & n.
--adj. of the theory that geological processes are always due to continuously and uniformly operating forces.
--n. a holder of this theory.

Derivative

uniformitarianism n.