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Definition of Relaxation time
1. Noun. The time constant of an exponential return of a system to equilibrium after a disturbance.
Generic synonyms: Time Constant
Medical Definition of Relaxation time
1. Time taken for a system to return to the resting or ground state or a new equilibrium state following perturbation. Often used in context of receptor systems that have a refractory period after responding and then relax to a competent state. Can be used more precisely to mean the time for a system to change from its original equilibrium value to 1/e of this original value. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)