the relative speed of progress or change | the rhythmic contraction and expansion of the arteries with each beat of the heart |
amount of a charge or payment relative to some basis | (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) |
a quantity or amount or measure considered as a proportion of another quantity or amount or measure | edible seeds of various pod-bearing plants (peas or beans or lentils etc.) |
a magnitude or frequency relative to a time unit | the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health |