pulse

1 [puhls]
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.
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:
1300–50; < 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

unpulsing, adjective
Dictionary.com Unabridged

pulse

2 [puhls]
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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Collins
World English Dictionary
pulse1 (pʌls)
 
n
1.  physiol
 a.  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
 b.  a single pulsation of the heart or arteries
2.  physics, electronics
 a.  a transient sharp change in voltage, current, or some other quantity normally constant in a system
 b.  one of a series of such transient disturbances, usually recurring at regular intervals and having a characteristic geometric shape
 c.  Less common name: impulse (as modifier): a pulse generator
3.  a.  a recurrent rhythmic series of beats, waves, vibrations, etc
 b.  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
 
vb
7.  (intr) to beat, throb, or vibrate
8.  (tr) to provide an electronic pulse to operate (a slide projector)
 
[C14 pous, from Latin pulsus a beating, from pellere to beat]
 
'pulseless1
 
adj

pulse2 (pʌls)
 
n
1.  the edible seeds of any of several leguminous plants, such as peas, beans, and lentils
2.  the plant producing any of these seeds
 
[C13 pols, from Old French, from Latin puls pottage of pulse]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

pulse
"a throb, a beat," early 14c., from O.Fr. pous (late 12c.), from L. pulsus (in pulsus venarum "beating from the blood in the veins"), pp. of pellere "to push, drive," from PIE *pel- "to shake, swing" (cf. Gk. pallein "to weild, brandish, swing," pelemizein "to shake, cause to tremble"). The verb meaning
"to beat, throb" is first attested 1550s.

pulse
"peas, beans, lentils," c.1300, from O.Fr. pols, from L. puls "thick gruel," probably via Etruscan, from Gk. poltos "porridge."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
pulse   (pŭls)  Pronunciation Key 
  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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Easton
Bible Dictionary

Pulse definition


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

Easton's 1897 Bible Dictionary
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American Heritage
Idioms & Phrases

pulse

see take the pulse of.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences for pulse
The pulse is then allowed to leave the cavity via another q switch.
A rapid, weak, thready pulse due to decreased blood flow combined with tachycardia.
First, it is the only ship capable of firing electromagnetic pulse bombs and mines.
Idioms & Phrases
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