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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.

Single atom catalysts represent a more efficient alternative.

From Science Daily • Mar. 20, 2026

So he was not dealing with ordinary, day-to-day stuff, let alone whether you should pursue an atom bomb.

From Slate • Mar. 11, 2026

Schrödinger's equation allows scientists to calculate the probability of detecting a particle, such as an electron in an atom, at a particular place and time.

From Science Daily • Mar. 10, 2026

By adjusting the ligands attached to the central metal atom, chemists can fine tune how the catalyst behaves.

From Science Daily • Feb. 27, 2026

And rather than burn it to release energy, they use nuclear fission, a process that unlocks the energy stored inside a tiny, tiny package: the nucleus of an atom.

From "Meltdown" by Deirdre Langeland