pulsar

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noun pul·sar \ˈpəl-ˌsär\

Definition of pulsar

  1. :  a celestial source of pulsating electromagnetic radiation (such as radio waves) characterized by a short relatively constant interval (such as .033 second) between pulses that is held to be a rotating neutron star

Origin and Etymology of pulsar

pulse + -ar (as in quasar)


First Known Use: 1968


PULSAR Defined for English Language Learners

pulsar

play
noun pul·sar \ˈpəl-ˌsär\

Definition of pulsar for English Language Learners

  • : a type of star that gives off a rapidly repeating series of radio waves


Learn More about pulsar


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