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Definitions

backbone

[bak-bohn] / ˈbækˌboʊn /


NOUN
spinal column of vertebrate
Synonyms


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.

Nvidia’s graphics processing units have been the backbone of AI development thus far, but central processing units are having a moment.

From MarketWatch • Mar. 25, 2026

They added: "Teachers and support staff are the backbone of our education system."

From BBC • Mar. 22, 2026

The escalation came after Israel struck the backbone of Iran’s energy industry-the giant South Pars gas field that Iran shares with Qatar.

From The Wall Street Journal • Mar. 19, 2026

These bonds create the backbone of countless substances including fuels, plastics and complex biological molecules.

From Science Daily • Mar. 14, 2026

I trust you’ve enough of your mother’s backbone, he’d written.

From "Hattie Big Sky" by Kirby Larson