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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.

The headlines focus on apps, but the big money is flowing to agentic AI’s boring industrial backbone.

From The Wall Street Journal • Apr. 30, 2026

These materials were widely traded across long distances, forming the backbone of early European exchange networks.

From Science Daily • Apr. 29, 2026

It’s the earnings narrative, however, that forms the backbone of Pinder’s investment strategy, outlined in his research note, “Bouncebackability.”

From MarketWatch • Apr. 29, 2026

“Country music really is the backbone of America,” he said.

From Los Angeles Times • Apr. 21, 2026

Francis’ grumbles did not disturb me, however, because further refining of our latest backbone without a solution to the bases would not represent a real step forward.

From "Double Helix" by James D. Watson