pulsar

(pulsär′, -sər)

noun

any of several celestial objects, thought to be rotating neutron stars, which emit electromagnetic radiation, esp. radio waves, at short and very regular intervals: abbrev. PSR

Origin: puls(e) + -ar

See pulsar in American Heritage Dictionary 4

noun
Any of several celestial radio sources emitting short intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.

Origin:

Origin: From pulse1

Origin: , by analogy with quasar

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