Definitions for uniformitarianism
Random House Webster's College Dictionary
u•ni•form•i•tar•i•anˌyu nəˌfɔr mɪˈtɛər i ən(adj.)
of, pertaining to, or designating the theory that geologic processes operative in the remote past were no different from processes operative now.
(n.)a supporter of the uniformitarian theory.
Origin of uniformitarian:
The scientific principle that natural processes operated in the past in the same way that they operate today.
the uniformitarian doctrine
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