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Webster 1913 Edition
Uniformitarian
Uˊni-formˊi-ta′ri-an
,Adj.
(Geol.)
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.
Uˊni-formˊi-ta′ri-an
,Noun.
(Geol.)
One who accepts uniformitarianism, or the uniformitarian doctrine.