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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.

The company has reportedly become Maven's primary technology contractor, and its AI now forms the operational backbone of the program.

From Barron's • Apr. 5, 2026

Nvidia’s graphics processing units have been the backbone of AI development thus far, but central processing units are having a moment.

From MarketWatch • Mar. 25, 2026

Supplements went from a means of treating diseases caused by nutritional deficiencies in the 1900s to lifestyle products that are now the backbone of a $70 billion industry.

From The Wall Street Journal • Mar. 18, 2026

It has been a backbone to the US military's air refuelling fleet, and allows combat aircraft to carry out longer missions without needing to land.

From BBC • Mar. 15, 2026

Almost every afternoon, knowing that I was on the tennis court, he would fretfully twist his head away from his work to see the polynucleotide backbone unattended.

From "Double Helix" by James D. Watson