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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.

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

With single atom catalysts, this problem is reduced.

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

"At this point, it matters where every atom is, and it's really hard to characterize."

From Science Daily • Mar. 5, 2026

Human beings would split the atom and invent television, nylon, and instant coffee before they could figure out the age of their own planet.

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