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undulatory theory

undulatory theory

noun Physics.
wave theory (def. 1).

Origin:
1795–1805
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Undulatory theory is always a great word to know.
So is half-life. Does it mean:
a wave produced by the acceleration of an electric charge and propagated by the periodic variation of intensities
the time required for one half the atoms of a given amount of a radioactive substance to disintegrate
WordNet
undulatory theory

noun
(physics) the theory that light is transmitted as waves [syn: wave theory] [ant: corpuscular theory
WordNet® 3.0, © 2006 by Princeton University.
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