[ awl-er-nuhn ]
/ ˈɔl ərˈnʌn /
the principle that under given conditions the response of a nerve or muscle fiber to a stimulus at any strength above the threshold is the same: the muscle or nerve responds completely or not at all.
martial lawRead more in this article about some frequently asked questions and fun facts related to our definitions.
Imminent, Immanent, Or Eminent?When something is imminent, that means it’s impending. Immanent isn’t a typo, it means inherent. Eminent means distinguished. Imminent Imminent means likely to occur at any moment or impending. It refers to something that’s approaching, about to happen, anticipated, or threatening to occur. For example, in Coquette, author Frank Swinnerton uses the word to describe someone’s arrival: “While she was waiting, she one day received …
- all-ordinaries index,
Origin of all-or-none law
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The principle that the strength by which a nerve or muscle fiber responds to a stimulus is not dependent on the strength of the stimulus. If the stimulus is any strength above threshold, the nerve or muscle fiber will either give a complete response or no response at all.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.