all-or-none

adjective

ˌȯl-ər-ˈnən How to pronounce all-or-none (audio)
: marked either by entire or complete operation or effect or by none at all
all-or-none response of a nerve cell

Word History

First Known Use

1656, in the meaning defined above

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

Dictionary Entries Near all-or-none

allopurinol

all-or-none

all-or-nothing

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Cite this Entry

“All-or-none.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all-or-none. Accessed 23 Mar. 2023.

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Medical Definition

all-or-none

adjective
ˌȯ-lər-ˈnən How to pronounce all-or-none (audio)
: marked either by complete operation or effect or by none at all
all-or-none response of a nerve cell

More from Merriam-Webster on all-or-none

Nglish: Translation of all-or-none for Spanish Speakers

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