sinusoidal

adj

1. Having the shape or characteristics of a sine wave.

   “An averager of the sort described earlier would operate such that, as the frequency of sinusoidal variation of ITD was increased, more and more samples of the dynamically varying ITD would fall within the averaging window and the effective ITD would tend toward their mean of zero.”

2. Relating to any of several channels (the sinusoids) through which venous blood passes in various organs.

noun

1. A sine wave (or combination of such waves)