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atom

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atom

Main Entry:: at·om
Pronunciation:: \ˈa-təm\
Function:: noun
Etymology:: Middle English, from Latin atomus, from Greek atomos, from atomos indivisible, from a- + temnein to cut
Date:: 15th century

1 : one of the minute indivisible particles of which according to ancient materialism the universe is composed 2 : a tiny particle : bit 3 : the smallest particle of an element that can exist either alone or in combination 4 : the atom considered as a source of vast potential energy

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