time constant

Noun time constant has 2 senses

• time constant(n = noun.time) - (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;
is a kind of interval, time interval
has particulars: relaxation time

• time constant(n = noun.linkdef) - the ratio of the inductance of a circuit in henries to its resistance in ohms;
is a kind of ratio