Meaning & use
Phasic
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Occurring or characterized by distinct phases, especially describing a brief, rapidly changing response rather than a sustained one.
See it in a sentence
The receptor showed a phasic burst of activity immediately after the stimulus.
Researchers distinguished phasic muscle contractions from slower, tonic ones.
A note on using this word
Commonly paired in contrast with 'tonic' in physiology, describing short bursts of activity versus sustained states.
Words with an opposite meaning
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