the rhythmic contraction and expansion of the arteries with each beat of the heart
produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
expand and contract rhythmically; beat rhythmically
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
a magnitude or frequency relative to a time unit
amount of a charge or payment relative to some basis
assign a rank or rating to
estimate the value of
the relative speed of progress or change
