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English definition of “pulse”

pulse

noun (REGULAR BEAT)    /pʌls/
C1 [C] the regular beating of the heart, especially when it is felt at the wrist or side of the neck: The child's pulse was strong/weak. Exercise increases your pulse rate.The circulatory system and blood take sb's pulse to hold someone's wrist and count how many times the heart beats in one minuteMedical examination [C] a short period of energy that is repeated regularly, such as a short, loud sound or a short flash of light: The data, normally transmitted electronically, can be changed into pulses of light.Energy, force and powerPower and intensity
(Definition of pulse noun (REGULAR BEAT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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