Meaning of PULSE in English

PULSE

I. ˈpəls also -l(t)s noun

( -s )

Etymology: Middle English pols, puls, from Old French pols, pouls, pous porridge, from Latin pult-, puls porridge made of meal and pulse, probably from Greek poltos porridge — more at pollen

1. : the edible seeds of various leguminous crops (as peas and beans)

2.

a. : a plant yielding pulse

b. : pulse plants

II. noun

( -s )

Usage: often attributive

Etymology: Middle English pous, puls, from Middle French pous, pouls, pols, from Latin pulsus beating, striking, pulse, from pulsus, past participle of pellere to drive, beat, push — more at felt

1.

a. : a regularly recurrent wave of distention in arteries that results from the progress through an artery of blood injected into the arterial system at each contraction of the ventricles of the heart

b. : the palpable beat resulting from such pulse as detected in a superficial artery (as the radial artery)

a very soft pulse

often : the number of such beats in a specified period of time (as one minute)

a resting pulse of 70

2.

a. : underlying sentiment, opinion, or drift especially as discoverable by tact or skill in perception rather than by open inquiry ; also : an indication of such

one may feel the social, economic, and political pulse of the State — American Guide Series: Maine

one felt the pulse of the village in the pub — S.P.B.Mais

the pulse of the wisdom and genius of the age — T.L.Peacock

the pulse of international political purpose — Herbert Feis

these farmers, owners of their land, are the pulse of anticommunism — George Weller

b. : feeling of life : throb of emotion : sensation of excitement : vitality

new industry has quickened the pulse of the people — American Guide Series: Texas

stirred the pulse of mankind — M.R.Cohen

awakened love's deep pulses — Vachel Lindsay

3.

a. : pulsing movement : rhythmical beating, vibrating, or sounding

the driller … feels the pulse of a bit far below his feet by the kick in his hand — Lamp

the pulse of its drama is deep and slow — George Farwell

the pulse of an engine

b. : pulsation , beat , throb ; specifically : a beat or stress in music or poetry

4.

a. : a transient variation of electrical current, voltage, or some other quantity whose value is normally constant — often used of current variations produced artificially and repeated either with a regular period or according to some code

b. : an electromagnetic wave or modulation thereof having brief duration

c. : a brief disturbance transmitted through a medium

a pulse of light

a pulse of sound

a pulse of pressure

5. : a sudden sharp upswing in numbers (as of a kind of organism) usually occurring at regular intervals

annual plankton pulses

III. verb

( -ed/-ing/-s )

intransitive verb

: to exhibit a pulse or pulsation : throb : move in pulses, beats, or periodic spurts : vibrate with life, sound, light

an environment that pulses and glows — H.L.Mencken

transitive verb

1. : to drive by or as if by a pulsation : cause to pulsate

the echoes had pulsed themselves to silence — Florette Henri

a gentle surf pulsed the air — Ward Taylor

2.

a. : to produce or modulate (as electromagnetic waves) in the form of pulses

pulsed waves

b. : to cause to be emitted in pulses

pulsed light

c. : to cause (an apparatus) to produce pulses

a transmitter pulsed by an electron tube

Synonyms: see pulsate

IV. noun

: a dose of a substance especially when applied over a short period of time

pulses of colchicine applied to the cells

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.