uniformitarianism

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Related to Theory of uniformity of causes: uniformitarian

u·ni·for·mi·tar·i·an·ism

 (yo͞o′nə-fôr′mĭ-târ′ē-ə-nĭz′əm)
n.
The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the earth to the present time.

u′ni·for′mi·tar′i·an adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

uniformitarianism

(ˌjuːnɪˌfɔːmɪˈtɛərɪəˌnɪzəm)
n
(Geological Science) the concept that the earth's surface was shaped in the past by gradual processes, such as erosion, and by small sudden changes, such as earthquakes, of the type acting today rather than by the sudden divine acts, such as the flood survived by Noah (Genesis 6–8), demanded by the doctrine of catastrophism
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

uniformitarianism

1. Philosophy. a doctrine that the universe is governed only by rigid, unexceptionable law.
2. Geology. the concept that current geological processes explain all past geological occurrences. — uniformitarian, n., adj.
See also: Evolution
the thesis that early geological processes were not unlike those observed today, i.e., gradually occurring. Cf. catastrophism.uniformitarian, n.
See also: Geology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.

uniformitarianism

The principle that present geological processes are the key to past events in Earth's history.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited