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atom

[at-uhm] / ˈæt əm /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a typical cavity QED setup, each atom has a ground state and an excited state separated by a specific energy difference.

From Science Daily • Jun. 6, 2026

The atoms are arranged so that each one is paired with another atom that has an equal but opposite energy offset.

From Science Daily • Jun. 6, 2026

Extrapolating backward in time, Lemaître proposed the idea of a primeval atom: a singularity from which the universe emerged in a uniquely hot, dense state.

From The Wall Street Journal • May 19, 2026

Infleqtion, the maker of quantum sensors and neutral atom computers, gained nearly 24%.

From Barron's • Apr. 17, 2026

The nucleus of an atom is tiny–only one millionth of a billionth of the full volume of the atom–but fantastically dense, since it contains virtually all the atom’s mass.

From "A Short History of Nearly Everything" by Bill Bryson




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