Sekirov Dictionary

time constant

noun 3
time-constant adjective 1
forms 2

noun3

A characteristic of an exponential function, represented by τ in the function
The time in which a physical system's response to a step-wise change in an external variable reaches approximately 63% of its final (asymptotic) value.
For radioactivity: the decay constant.

time-constant adjective1

Of or pertaining to a time constant.

forms

time constants · time-constants

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