root canal
noun/ˈruːt kənæl/
/ˈruːt kənæl/
- the space inside the root of a tooth
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- [countable, uncountable] an operation that involves removing infected tissue from the space inside the root of a tooth and replacing it with a substance that will protect it
- I've had two root canals so far.
- I'd rather have root canal than sit through another boring meeting.
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root canal