Wiktionary英語版
出典：Wiktionary
logarithmus
出典:『Wiktionary』 (2025/04/20 08:30 UTC 版)
語源
Coined by Scottish mathematician John Napier in 1614, from Ancient Greek λόγος (lógos) + Ancient Greek ἀριθμός (arithmós).
発音
- (Classical Latin) IPA: /lo.ɡaˈritʰ.mus/, [ɫ̪ɔɡäˈrɪt̪ʰmʊs̠]
- (modern Italianate Ecclesiastical) IPA: /lo.ɡaˈrit.mus/, [loɡäˈrit̪mus]
名詞
logarithmus m (genitive logarithmī); second declension (New Latin)
- (mathematics) logarithm
- 1620, John Napier, Mirifici Logarithmorum Canonis Constructio, Preface by Robert Napier, p. 3:
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Habes igitur (Lector benevole) in hoc libellо, doctrinam constructionis Logarithmorum (quos híc numeros artificiales appellat; hunc enim tractatum, ante inventam Logarithmorum vocem, apud se pro aliquot annos conscriptum habuerat) copiosissime explicatam; in qua eorum natura, symptomata, ас variae ad naturales eorum numeros habitudines perspicue demonstrantur.
- You have therefore (kind Reader) in this pamphlet, the teaching of the construction of Logarithms (which here he calls artificial numbers; indeed he had had in this treatise written by it for some years before the name of Logarithms was found) most copiously explained; in which are clearly shown the nature and characteristics of them, as well as the various conditions for their natural numbers.
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- 1620, John Napier, Mirifici Logarithmorum Canonis Constructio, Preface by Robert Napier, p. 3:
語形変化
Second-declension noun.
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