Definition of time constant in English:

time constant

Syllabification: time con·stant


  • A time that represents the speed with which a particular system can respond to change, typically equal to the time taken for a specified parameter to vary by a factor of 1 1/ e (approximately 0.6321).
    More example sentences
    • The hyperinflation may be explained completely by the time constant of the respiratory system exceeding the time available for tidal exhalation.
    • One way is to vary the time constant of the slow negative-feedback variable.
    • The time constant of the signal-recovery process yields information on potential heart damage.

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