atom

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 process, radiation first excites an atom.

From Science Daily • Mar. 24, 2026

In this catalyst, each individual indium atom acts as its own active site.

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

Materials can behave in surprising ways when they are thinned down layer by layer until they are only a single atom thick.

From Science Daily • Mar. 7, 2026

That’s the scale of an atom: one ten-millionth of a millimeter.

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