Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To expand and contract rhythmically.
  • intransitive verb To produce rhythmic sounds or other vibrations.

from The Century Dictionary.

  • To beat or throb, as the heart or a blood-vessel; contract and dilate in alternation or rhythmically, as the heart in systole and diastole, the disk of a jellyfish in swimming, the vacuoles in some protozoans, etc.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To throb, as a pulse; to beat, as the heart.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To expand and contract rhythmically; to throb or to beat.
  • verb To quiver, vibrate, thrill.
  • verb To produce a recurring increase and decrease of some quantity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb expand and contract rhythmically; beat rhythmically
  • verb produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
  • verb move with or as if with a regular alternating motion

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin pulsāre, pulsāt-, frequentative of pellere, to beat; see pel- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin pulsātiō ("repeated striking"), from pulsō ("strike repeatedly"), from pellō ("strike")

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.