Meaning of TIME CONSTANT

Pronunciation:			tIm 'kânstunt
WordNet Dictionary
	Definition:		[n]  the ratio of the inductance of a circuit in henries to its resistance in ohms [n]  (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude
	See Also:		interval, ratio, relaxation time, time interval