Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “pulse”


noun [C]    /pʌls/
biology a regular rhythm made by blood being moved through your body by your heart , esp . when it is felt at the wrist or side of the neck physics A pulse is also a single burst of light or some other form of energy that is sudden and strong .
(Definition of pulse noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of pulse

More American English definitions for “pulse”

Definitions of “pulse” in other dictionaries

Word of the Day


the art and knowledge involved in preparing and eating good food

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More