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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.

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

Damon Hoff, president and chair of Machzike Hadath Synagogue, described Hatzola as the "backbone of the community, it's for everyone that lives here".

From BBC • Mar. 23, 2026

The escalation came after Israel struck the backbone of Iran’s energy industry-the giant South Pars gas field that Iran shares with Qatar.

From The Wall Street Journal • Mar. 19, 2026

While Iran’s gas is largely consumed domestically, South Pars is the backbone of the country’s energy system and part of a reservoir shared with Qatar, raising concerns about broader risks to Gulf energy infrastructure.

From Barron's • Mar. 18, 2026

With obvious pleasure Rosy showed Francis her data, and for the first time he was able to see how foolproof was her assertion that the sugar- phosphate backbone was on the outside of the molecule.

From "Double Helix" by James D. Watson