all-or-none

adjective
\ ˌȯl-ər-ˈnən How to pronounce all-or-none (audio) \

Definition of all-or-none

: marked either by entire or complete operation or effect or by none at all all-or-none response of a nerve cell

First Known Use of all-or-none

1656, in the meaning defined above

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More Definitions for all-or-none

all-or-none

adjective
\ ˌȯ-lər-ˈnən How to pronounce all-or-none (audio) \

Medical Definition of all-or-none

: marked either by complete operation or effect or by none at all all-or-none response of a nerve cell