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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

block

Main Entry:: ²block
Function:: transitive verb

1 : to prevent normal functioning of (a bodily element) <block a nerve with novocaine> 2 : to obstruct the effect of <a carboxyl group blocked by esterification> intransitive verb : to experience or exhibit psychological blocking or blockage

— block·er \-ər\

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noun

Learn more about "block" and related topics at Britannica.com

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