单词 | pulsating star |
释义 | pulsate /pulˈsāt or pul-sātˈ/intransitive verb
ORIGIN: L pulsāre, -ātum to beat, frequentative of pellere, pulsum to drive pulˈsar /-sär/ noun (for ‘pulsating star’, but see also pulsating star below) any of a number of interstellar sources of regularly pulsed radiation, first discovered in 1967, and thought to be rotating neutron stars pulsatance /pulˈsə-təns or pul-sāˈtəns/ noun (physics) The angular frequency of a periodic motion, frequency multiplied by 2π pulˈsatile /-sə-tīl or (US) -til/ adjective
Pulsatillˈa noun Pasqueflower (because it is beaten by the wind) pulsāˈtion noun
pulsative /pulˈsə-tiv or -sātˈiv/ adjective pulsāˈtor (or /pulˈsə-tər/) noun A machine, or part of a machine, that pulsates or imparts pulsation, eg for separating diamonds from earth, for regulating the rhythmical suction of a milking machine, or for pumping pulsatory /pulˈsə-tə-ri or -sāˈtə-ri/ adjective Beating or throbbing pulsating current noun An electric current that changes periodically in intensity but not direction pulsating star noun A type of variable star of regularly fluctuating brightness, the fluctuations being caused by the expansion and contraction of the star |
随便看 |
英语词典包含305067条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。