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Meaning of pulsar

pul•sar

Pronunciation: (pul'sär), [key]
— n.
  1. one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation, esp. radio waves, with a high degree of regularity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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