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atom smasher
atomic
atomic absorption spectroscopy
Atomic Age
atomic bomb
atomic clock
atomic cocktail
atomic demolition munition
atomic emission spectroscopy
atomic energy
atomic force microscope
atomic heat
atomic mass
atomic mass unit
atomic number
atomic particle
atomic physics
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atomism
at·om·ism [ áttə mìzzəm ]


noun 
Definition:
 
idea that atoms make up everything: the theory that all matter in the universe is made up of small, individual, finite, and indivisible particles

at·om·ist noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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