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Definitions

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 this case, each carbon ring shifted from bonding through all five carbon atoms to bonding through only one carbon atom.

From Science Daily • May 22, 2026

In its first moments, the universe was a seething soup of elementary particles and energetic photons that would destroy any atom before it could form.

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 first phase involved determining if he predated the "nuclear age", which began in 1945 when the US first tested the atom bomb in New Mexico, the coroner heard.

From BBC • Apr. 14, 2026

When an atom of uranium splits, the pieces aren’t just smaller than the original atoms; they also have a different number of protons in their nuclei.

From "Meltdown" by Deirdre Langeland




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