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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.

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He also floated free public transportation on weekends, seeking to reconnect with poorer voters who had long formed the backbone of his support.

From The Wall Street Journal ● Oct. 26, 2026

It is "a backbone of the web", according to security firm Wiz Research, which says it used AI to find vulnerabilities hidden in PHP for more than a decade.

From Barron's ● Oct. 22, 2026

Both have spoken about the need to expand Metro’s rail and bus network and agree that buses, especially, are the backbone to the city’s system.

From Los Angeles Times ● Oct. 19, 2026

Different methods can produce substantially different estimates, particularly when scientists must reconstruct an extinct animal using an incomplete backbone.

From Science Daily ● Oct. 14, 2026

The resulting backbone would have to show minor in- and-out buckles depending upon whether pairs of purines or pyrimidines were in the center.

From "Double Helix" by James D. Watson

For decades, palaeontologists believed that the largest ocean predators were vertebrates with backbones such as fish and reptiles while invertebrates like octopuses and squid played supporting roles.

From BBC ● Apr. 23, 2026

“If you look at the collection of companies that ultimately formed Lumen, the underlying technologies and backbones were never integrated,” he said.

From MarketWatch ● Mar. 16, 2026

Scientists at the University of St Andrews have identified an important missing piece in understanding how animals with backbones first evolved.

From Science Daily ● Feb. 4, 2026

Animals without a backbones evolved first, around 700 million years ago.

From The Wall Street Journal ● Nov. 21, 2025

Sure, almost any old union would boost wages and straighten out some backbones here, but I know that even the most energetic and democratic unions bear careful watching by their members.

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich


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