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Wiktionary英語版
出典：Wiktionary
perpetuum mobile
出典:『Wiktionary』 (2025/10/02 04:55 UTC 版)
語源
From Latin perpetuum (neutral inflection of perpetuus “perpetual”) + Latin mōbile (neutrum of mōbilis “mobile, moving”), used together as a noun, thus literally meaning “perpetual mover”. Although often said to literally mean “perpetual motion”, the latter in Latin is mōtus perpetuus. A perpetuum mobile is a device that exhibits perpetual motion.
名詞
perpetuum mobile (plural perpetua mobilia)
- A perpetual motion machine.
- (musicology) Pieces of music, or parts of pieces, characterised by a continuous steady stream of notes, usually at a rapid tempo.
- (musicology) Whole pieces, or large parts of pieces, which are to be played repeatedly, often an indefinite number of times.
Further reading
perpetuum mobile on Wikipedia.Wikipedia - “perpetuum mobile, n.”, in OED Online
, Oxford: Oxford University Press, 1982, 1989, December 2005, July 2023.
発音
- (Classical Latin) IPA: [pɛrˈpɛ.tu.ũː ˈmoː.bɪ.ɫɛ]
- (modern Italianate Ecclesiastical) IPA: [perˈpɛː.t̪u.um ˈmɔː.bi.le]
名詞
perpetuum mōbile n (genitive perpetuī mōbilis); variously declined, second declension, third declension
- (metaphysics) a being capable of perpetual motion
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1523, Ἀριστοτέλης Σταγειρίτης [Aristoteles Stagirites], translated by Nicholas Leonicus Thomæus, Parva Naturalia, Venetiæ: Bernardinus & Matthæus de Vitalibus, De Animalium motione, fol. cxxxviiʳ:
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1587, Fortunatus Crellius, In octo acroamaticos Ariſtotelis libros Commentarij, Neostadium in Palatinatu: Matthæus Harnisch, book VIII, chapter x, § 83, page 416/1:
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1619, Henricus Nollius, Naturæ Sanctuarium: quod eſt, Phyſica Hermetica, Francofurtum: printed by Nicolaus Hoffmannus for Jonas Rosa, book I, chapter iv, § 1, pages 106–107:
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Etsi de modo, quo Entia è Chao orta fuerint, in Phyſicis haud tractandum eſſe videatur, quia plane diuinus eſt, & Naturæ regulam longe ſuperat, tamen mihi non inconueniens viſum fuit, aliquid de modo eo proponere & explicare: & quia modus ille ex primo capite Geneſeos nobis patet, & quia Hermetis filii eum in productione perpetui mobilis ex diuino indultu auxilioque optime imitari didicerunt.
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- a perpetual motion machine
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1731, Fridericus Hoffmannus, Diſſertatio Medica de verâ perpetui mobilis in homine vivo ideâ, in Operum omnium phyſico-medicorum ſupplementum in duas partes diſtributum, pars secunda, Geneva: Fratres de Tournes, published 1749, §. viii., page 199/1:
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Cumque hoc ipſum perpetuum mobile Mechanicum noſtra ætate a quibuſdam pro ſuperato habeatur, imprimis quum ſatis notum ſit, quoſnam motus perpetuum mobile Orfyrei excitaverit, qui ſibi ejus inventionem non ſine multorum plauſibus tribuit: Hinc ſingulas Machinas unquam pro perpetuis mobilibus celebratis & venditis percurrit, perpetuum mobile nimirum Baſileenſe, cujus Autor Jeremias Mitz Baſileæ, Perpetuum Mobile per globulos in loculamentis rotitantes, Perpetuum Mobile a Scheinero circa terræ centrum effictum, horumque ſingulorum impoſſibilitatem, quod nil minus & quidvis aliud potius ſint, quam perpetua mobilia demonſtrat; tandem etiam perpetuum mobile Orfyreanum ex deſcriptione ejus propria æſtimatum impoſſibile eſſe addit, duplici ſubducta demonſtratione.
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派生した語
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