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.
all-or-none law n.
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.
not allowing for qualification or compromise; either fully or not at all operative: an all-or-nothing approach. Contemporary Examples American politics has also too frequently become an all-or-nothing proposition, making the USA the United States of Agita. Neither “Best Friend” Nor “Anti-Israel” Gil Troy October 16, 2012 Balance seems too subtle a concept for all-or-nothing absolutists. […]
- All’ ottava
a direction (8va), placed above or below the staff to indicate that the passage covered is to be played one octave higher or lower respectively.
to divide or distribute by share or portion; distribute or parcel out; apportion: to allot the available farmland among the settlers. to appropriate for a special purpose: to allot money for a park. to assign as a portion; set apart; dedicate. Historical Examples We allot them only a few hours to consider a given question. […]
- All out
using all one’s resources; complete; total: an all-out effort. the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year. the whole number of (used in referring to individuals or particulars, taken collectively): all students. the greatest possible (used in referring to quality or degree): with all […]