backbone
noun/ˈbækbəʊn/
/ˈbækbəʊn/
- [countable] the row of small bones that are connected together down the middle of the back synonym spineTopics Bodyb1
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- [singular] the most important part of a system, an organization, etc. that gives it support and strength
- Agriculture forms the backbone of the rural economy.
- [uncountable] the strength of character that you need to do something difficult
- He doesn't have the backbone to face the truth.
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backbone