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Uniat
uniaxial
unicameral
unicast
UNICEF
unicellular
unicolor
unicorn
unicostate
unicycle
unidentified
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UNIDO
unifactorial
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uniformitarianism
u·ni·for·mi·tar·i·an·ism [ ynə fawrmi térree ə nìzzəm ]


noun 
Definition:
 
theory of geologic processes: the theory that the same geologic processes occurred in the past as occur today, and that geologic formations and structures can be interpreted by observing present-day actions

u·ni·for·mi·tar·i·an adjective, noun
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