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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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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

America’s manufacturing sector employs some 13 million people and forms the backbone of our nation’s supply chain, including for national defense goods.

From The Wall Street Journal ● Oct. 13, 2026

As a Catholic, Abbott has also managed to keep a discrete distance from the evangelicals who are the backbone of the Christian nationalist movement.

From Salon ● Oct. 13, 2026

RNA also appears to hold fewer water molecules around its backbone than DNA.

From Science Daily ● Oct. 2, 2026

Of course there was the hunger, and his stomach was definitely moving toward his backbone, but still. . . bugs, he thought.

From "The Voyage Of The Frog" by Gary Paulsen

The chart shows strongly performing security and infrastructure, which provides “critical data backbones, compute pipelines and complex protection systems that generative models actively expand rather than displace.”

From MarketWatch ● Jul. 27, 2026

Data centers also need to be close enough to users and network backbones to provide fast digital services.

From Science Daily ● Jun. 19, 2026

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

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

From The Wall Street Journal ● Nov. 21, 2025

Their anger had their bristles standing in high fierce ridges along their backbones.

From "Old Yeller" by Fred Gipson


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