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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.

After knocking out an electron from the neon atom using soft X-rays, they followed how the system evolved for up to a picosecond, which is extremely long on an atomic timescale, before the decay occurred.

From Science Daily • Mar. 24, 2026

Later, one krypton atom moves closer to the neon atom while the other shifts farther away, creating favorable conditions for electron transfer and energy flow.

From Science Daily • Mar. 24, 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 wave equation also made it possible to correctly analyze the hydrogen atom, which contains just one electron.

From Science Daily • Mar. 10, 2026

So the atom turned out to be quite unlike the image that most people had created.

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