lignocaine
noun/ˈlɪɡnəkeɪn/
/ˈlɪɡnəkeɪn/
(also lidocaine)
[uncountable]- a substance used as a local anaesthetic, for example to stop people feeling pain when teeth are removedWord Origin1950s: from ligno- (Latin equivalent of xylo-, used in the earlier name xylocaine and reflecting chemical similarity to xylene) + -caine (from cocaine).
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lignocaine