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subatom

[ suhb-at-uhm ]
/ sʌbˈæt əm /
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noun Chemistry.

any component of an atom.

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The rainy weather could not ________ my elated spirits on my graduation day.

Origin of subatom

First recorded in 1875–80; sub- + atom
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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