electronics A sharp transient wave in the normal electrical state (or a series of such transients):
— The pulsations seemed to be coming from a star.

synonyms: impulse, pulse, pulsing.

Roget 821: feeling; suffering etc. v.; endurance, tolerance, sufferance, supportance^†, experience, response; sympathy etc. (love) 897; impression, inspiration, affection, sensation, emotion, pathos, deep sense.    warmth, glow, unction, gusto, vehemence; fervor, fervency; heartiness, cordiality; earnestness, eagerness; empressement [Fr.], gush, ardor, zeal, passion, enthusiasm, verve, furore^†, fanaticism; excitation of feeling etc. 824; fullness of the heart etc. (disposition) 820; passion etc. (state of excitability) 825; ecstasy etc. (pleasure) 827.    blush, suffusion, flush; hectic; tingling, thrill, turn, shock; agitation etc. (irregular motion) 315; quiver, heaving, flutter, flurry, fluster, twitter, tremor; throb, throbbing; pulsation, palpitation, panting; trepidation, perturbation; ruffle, hurry of spirits, pother, stew, ferment; state of excitement.    ... show more

Dutch: impuls, puls, stroomstoot

A periodically recurring phenomenon that alternately increases and decreases some quantity.

Polish: pulsacja

The rhythmic contraction and expansion of the arteries with each beat of the heart.

synonyms: beat, heartbeat, pulse.

Roget 138: periodicity, intermittence; beat; oscillation etc. 314; pulse, pulsation; rhythm; alternation, alternateness, alternativeness, alternity^†.    bout, round, revolution, rotation, turn, say.    anniversary, jubilee, centenary.    catamenia^†, courses, menses, menstrual flux.    [Regularity of return] rota, cycle, period, stated time, routine; days of the week; Sunday, Monday &c.; months of the year; January &c.; feast, fast &c.; Christmas, Easter, New Year's day &c.; Allhallows^†, Allhallowmas^†, All Saints' Day; All Souls', All Souls' Day; Ash Wednesday, bicentennial, birthday, bissextile^†, Candlemas^†, Dewali, groundhog day [U.S.], Halloween, Hallowmas^†, Lady day, leap year, Midsummer day, Muharram, woodchuck day [U.S.], St.    Swithin's day, natal day; yearbook; yuletide.    punctuality, regularity, steadiness.    ... show more

Roget 314: oscillation; vibration, libration; motion of a pendulum; nutation; undulation; pulsation; pulse.    alternation; coming and going etc. v.; ebb and flow, flux and reflux, ups and down.    fluctuation; vacillation etc. (irresolution) 605.    wave, vibratiuncle^†, swing, beat, shake, wag, seesaw, dance, lurch, dodge; logan^†, loggan^†, rocking-stone, vibroscope^†.    ... show more

Dutch: pols, hartslag