Meaning of PULSATION in English

PULSATION

[pul.sa.tion] n (1541) 1: rhythmical throbbing or vibrating (as of an artery); also: a single beat or throb

2: a periodically recurring alternate increase and decrease of a quantity (as pressure, volume, or voltage)

Merriam-Webster English vocab.      Английский словарь Merriam Webster.