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Definitions

backbone

[bak-bohn] / ˈbækˌboʊn /


NOUN
spinal column of vertebrate
Synonyms


Example Sentences

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They are the physical backbone of the internet.

From MarketWatch ● Sep. 18, 2026

The rules didn’t apply to existing gas plants, the backbone of the nation’s power supply.

From The Wall Street Journal ● Sep. 14, 2026

The victory kicked off the staggering run of 17 wins in 20 games which formed the backbone of returning to the Champions League and giving Villa momentum to win the Europa League.

From BBC ● Sep. 8, 2026

Transfer pathways, he added, “will remain essential, and CSU and UC will always be the backbone of baccalaureate education in California.”

From Los Angeles Times ● Sep. 1, 2026

And if that was lost on the citizens who became Peacekeepers or worked in the Nut, it was not lost on the stonecutters who formed the backbone of the resistance here.

From "Mockingjay" by Suzanne Collins

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

Tanyka belongs to a broad group of vertebrates known as tetrapods, which includes all four-limbed animals with backbones such as reptiles, birds, mammals, and amphibians.

From Science Daily ● May 1, 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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