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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.

Those dense, umami-packed centers become the backbone of the dressing.

From Salon • Apr. 14, 2026

In the coming weeks, Maine could become the first state to enact a moratorium on construction of these massive facilities -- which house millions of processors that form the backbone of the internet and AI.

From Barron's • Apr. 10, 2026

They are often dismissed as a punch line, but Roxane Gay explains why women’s book clubs are the backbone of a passionate literary culture.

From Los Angeles Times • Apr. 9, 2026

"They do a fantastic job for our health system, they are the unsung heroes, the backbone of our social care system and our health system, and they need our support."

From BBC • Mar. 31, 2026

The phosphate backbone twisted inside, like the central shaft of a spiral staircase, with its treads facing out.

From "The Gene" by Siddhartha Mukherjee