English Explanatory Dictionary

pulsar

English dictionary entry

Meanings

noun
  1. A rotating neutron star that emits radio pulses periodically.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-pulsar.wav

Word forms

pulsar pulsars

Etymology

Blend of pulsating + (radio) star, patterned after quasar. Coined by British astronomers Antony Hewish and Jocelyn Bell in 1968, and first used in print in The Daily Telegraph. By surface analysis, pulse + -ar

Synonyms

PSR

Related words

astronomical object astrophysical object astrophysical source celestial object heavenly body

Derived words

accretion-powered pulsar binary pulsar circumpulsar double pulsar gamma pulsar millisecond pulsar optical pulsar PSR pulsar clock pulsarlike pulsar wind nebula radiopulsar rotation-powered pulsar X-ray pulsar
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