名詞 pulsar:

1. a degenerate neutron star; small and extremely dense; rotates very fast and emits regular pulses of polarized radiation

pul.sar

n.Astronomy （名詞）【天文學】
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.
脈沖星：若干能發(fā)出無線電波的天體之一，能以有規(guī)律的間隔發(fā)出短促且強烈的無線電波、X射線或肉眼可見的電磁放射，普遍認為它們是旋轉磁中子星

來源：
puls(ating st)ar
puls(ating st)ar