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Definitions

backbone

[bak-bohn] / ˈbækˌboʊn /


NOUN
spinal column of vertebrate
Synonyms


Example Sentences

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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

The researchers examined 27 fossilized vertebrae, the individual bones that make up a snake's backbone.

From Science Daily ● Oct. 14, 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

Gary Drake's skeleton, Neal Brose's skull, Wayne Nashend's backbone, their futures, their souls.

From "Black Swan Green" by David Mitchell

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

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

Sea squirts are invertebrates, making them useful for identifying differences between animals without backbones and those with them.

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

Turner sat on the stool, and he heard her settle backbones creaking and snapping.

From "Lizzie Bright and the Buckminster Boy" by Gary D. Schmidt


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