单词 | primum mobile |
释义 | primum mobile/ˌprʌɪməm ˈməʊbɪleɪ![]() noun 1The most important source of motion or action.He is, in essence, the primum mobile: he wrote Aaron's program, but Aaron now produces its original paintings without Cohen's intervention....
2(In the medieval version of the Ptolemaic system) an outer sphere supposed to move round the earth in twenty-four hours carrying the inner spheres with it.Sacrobosco's ‘last heaven’ was the sphere of the primum mobile, which meant literally that it was the ‘first moved’, the origin of movement that mechanically transmitted regular motion to all the other spheres....
OriginFrom medieval Latin, literally 'first moving thing'. |
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