pulse

¹ American  

[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. vitality.

9. the general attitude, sentiment, preference, etc., as of the public.

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verb (used without object)

pulsed, pulsing

1. to beat or throb; pulsate.

2. to beat, vibrate, or undulate.

3. Physics.  to emit particles or radiation periodically in short bursts.

verb (used with object)

pulsed, pulsing

1. to cause to pulse.

2. Medicine/Medical.  to administer (medication) in interrupted, often concentrated dosages to avoid unwanted side effects.

pulse ² American  

[puhls] / pʌls /

noun

1. the edible seeds of certain leguminous plants, as peas, beans, or lentils.

2. a plant producing such seeds.

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pulse ¹ British  

/ 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. Less common name: impulse.  ( as modifier )

      a pulse generator

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. to be well-informed about current events

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verb

1. (intr) to beat, throb, or vibrate

2. (tr) to provide an electronic pulse to operate (a slide projector)

pulse ² British  

/ 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

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pulse Scientific  

/ 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.

3. 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.

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pulse Idioms  

1. see take the pulse of.

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Other Word Forms

• pulseless adjective
• unpulsing adjective

Etymology

Origin of pulse¹

First recorded in 1350–1400; Middle English pous(e), puls(e), from Old French pous, pulse, and Latin pulsus “a beat, stroke, throb,” noun use of past participle of pellere “to push, drive, strike”

Origin of pulse¹

First recorded in 1250–1300; Middle English puls, pols, from Old French pous, pouls, pols, from Latin puls “porridge; thick pap of meal”; poultice

Example Sentences

“No other physical space,” he writes, “better registered the pulsing changes in jazz music and jazz musicking over the course of the 1950s” than Music Inn.

From The Wall Street Journal

This brings scientists closer to the ability to shape quantum materials with specific characteristics using laser pulses within extremely short intervals.

From Science Daily

At the highest intensity, the molecule expands quickly while the Guinier amplitude drops at the very beginning of the strong laser pulse.

From Science Daily

In contrast, the Yellowstone system appeared to respond quickly and noticeably to the pulse of seismic energy.

From Science Daily

In clinical trials, patients with rheumatoid arthritis who received mild electrical pulses to the vagus nerve from the implant had fewer flare-ups and lower disease activity.

From The Wall Street Journal

Related Words

• vibration