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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.

“As the backbone of the digital economy, compute is the new oil of the 21st century,” CME Group Chairman and CEO Terry Duffy said in a statement.

From MarketWatch • May 12, 2026

The corridor's backbone is the historic Benguela railway, which runs west to east from Lobito to the Congolese border.

From Barron's • May 7, 2026

Women, in particular, formed the backbone of the party's welfare-driven politics.

From BBC • May 4, 2026

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

“What’s that?” she asked a waiter and pointed to the long backbone of the great fish that was now just garbage waiting to go out with the tide.

From "The Old Man and The Sea" by Ernest Hemingway




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