[ ôl′ər-nŭn′ ]
Characterized by either a complete response or by a total lack of response or effect, depending on the strength of the stimulus. Neurons have an all-or-none response to impulse transmission and cannot be partially stimulated.
BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!
We know you’ll tackle this quiz totis viribus! See how many words from the week of Oct 12–18, 2020 you get right!
Question 1 of 7
What does “Indigenous” mean?
Words nearby all-or-none
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Example sentences from the Web for all-or-none
It was an all-or-none reaction; the legs spurned the ground in perfect unison and with every bit of the power in them.Rastignac the Devil|Philip Jos Farmer