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pulse1

[puhls] /pʌls/
noun
1.
the regular throbbing of the arteries, caused by the successive contractions of the heart, especially as may be felt at an artery, as at the wrist.
2.
a single pulsation, or beat or throb, of the arteries or heart.
3.
the rhythmic recurrence of strokes, vibrations, or undulations.
4.
a single stroke, vibration, or undulation.
5.
Electricity. a momentary, sudden fluctuation in an electrical quantity, as in voltage or current.
6.
Physics. a single, abrupt emission of particles or radiation.
7.
a throb of life, emotion, etc.
8.
9.
the general attitude, sentiment, preference, etc., as of the public.
verb (used without object), pulsed, pulsing.
10.
to beat or throb; pulsate.
11.
to beat, vibrate, or undulate.
12.
Physics. to emit particles or radiation periodically in short bursts.
verb (used with object), pulsed, pulsing.
13.
to cause to pulse.
14.
Medicine/Medical. to administer (medication) in interrupted, often concentrated dosages to avoid unwanted side effects.
Origin
1300-1350
1300-50; < Latin pulsus a beat, equivalent to *peld-, base of pellere to set in motion by beating or striking (cf. impel) + -tus, suffix of v. action, with dt < s and backing and raising of e before velar l; replacing Middle English pous < Middle French < Latin, as above
Related forms
unpulsing, adjective

pulse2

[puhls] /pʌls/
noun
1.
the edible seeds of certain leguminous plants, as peas, beans, or lentils.
2.
a plant producing such seeds.
Origin
1250-1300; Middle English puls < Latin: thick pap of meal, pulse. See poultice
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for pulses
  • Since nothing moves but the electric pulses, these storage units respond virtually at the speed of light.
  • Bats emit a series of ultrasonic pulses that bounce back from surrounding objects, including prey.
  • All the while, traffic pulses through the entire construction zone with only one detour.
  • They are called dark fibers until they go to work, transmitting pulses of laser-generated light.
  • Touched his strong heart, and bade his pulses cease.
  • His code used short and long pulses of electric current to represent letters of the alphabet.
  • Nor are aircraft the only vehicles from which destructive electromagnetic pulses can be launched.
  • She uses these pulses to determine how to polarise the photons she sends back.
  • It is designed to detect the low-frequency radio pulses emitted by lightning strikes.
  • Yet beneath such squeamishness, an undercurrent of relative pride still pulses, defiantly.
British Dictionary definitions for pulses

pulse1

/pʌls/
noun
1.
(physiol)
  1. the rhythmic contraction and expansion of an artery at each beat of the heart, often discernible to the touch at points such as the wrists
  2. a single pulsation of the heart or arteries
2.
(physics, electronics)
  1. a transient sharp change in voltage, current, or some other quantity normally constant in a system
  2. one of a series of such transient disturbances, usually recurring at regular intervals and having a characteristic geometric shape
  3. (as modifier): a pulse generator Less common name impulse
3.
  1. a recurrent rhythmic series of beats, waves, vibrations, etc
  2. any single beat, wave, etc, in such a series
4.
bustle, vitality, or excitement: the pulse of a city
5.
the feelings or thoughts of a group or society as they can be measured: the pulse of the voters
6.
keep one's finger on the pulse, to be well-informed about current events
verb
7.
(intransitive) to beat, throb, or vibrate
8.
(transitive) to provide an electronic pulse to operate (a slide projector)
Derived Forms
pulseless, adjective
Word Origin
C14 pous, from Latin pulsus a beating, from pellere to beat

pulse2

/pʌls/
noun
1.
the edible seeds of any of several leguminous plants, such as peas, beans, and lentils
2.
the plant producing any of these seeds
Word Origin
C13 pols, from Old French, from Latin puls pottage of pulse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for pulses

pulse

n.

"a throb, a beat," early 14c., from Old French pous, pulse (late 12c., Modern French pouls) and directly from Latin pulsus (in pulsus venarum "beating from the blood in the veins"), past participle of pellere "to push, drive," from PIE *pel- (6) "to thrust, strike, drive" (cf. Greek pallein "to wield, brandish, swing," pelemizein "to shake, cause to tremble"). Extended usages from 16c. Figurative use for "life, vitality, essential energy" is from 1530s.

"peas, beans, lentils," late 13c., from Old French pouls, pols and directly from Latin puls "thick gruel, porridge, mush," probably via Etruscan, from Greek poltos "porridge" made from flour, from PIE *pel- (1) "dust, flour" (see pollen; also cf. poultice).

v.

"to beat, throb," early 15c., from pulse (n.1) or else from Latin pulsare "to beat, throb," and in part from French. Related: Pulsed; pulsing.

Online Etymology Dictionary, © 2010 Douglas Harper
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pulses in Medicine

pulse (pŭls)
n.
The rhythmical dilation of arteries produced when blood is pumped outward by regular contractions of the heart, especially as palpated at the wrist or in the neck.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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pulses in Science
pulse
  (pŭls)   
  1. The rhythmic expansion and contraction of the arteries as blood is pumped through them by the heart. The pulse can be felt at several parts of the body, as over the carotid and radial arteries.

  2. A dose of a medication or other substance given over a short period of time, usually repetitively.

    1. A brief sudden change in a normally constant quantity, such as an electric current or field.

    2. Any of a series of intermittent occurrences characterized by a brief sudden change in a quantity.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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pulses in the Bible

(Dan. 1:12, 16), R.V. "herbs," vegetable food in general.

Easton's 1897 Bible Dictionary
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Idioms and Phrases with pulses

pulse

The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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8
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