all-or-none

adjective
\ˌȯl-ər-ˈnən \

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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The first known use of all-or-none was in 1656

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More Definitions for all-or-none

all-or-none

adjective
\ˌȯ-lər-ˈnən \

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

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exaggeratedly or childishly emotional

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