pulsar definition, pulsar meaning | English dictionary

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pulsar

  

      n   any of a number of very small extremely dense stars first discovered in 1967, which rotate very fast emitting regular pulses of polarized radiation, esp. radio waves. They are thought to be neutron stars formed during supernova explosions  
     (C20: from puls(ating st)ar, on the model of quasar)  
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