logarithmus

See also: Logarithmus

Latin

Etymology

Coined by Scottish mathematician John Napier in 1614, from Ancient Greek λόγος (lógos) +‎ Ancient Greek ἀριθμός (arithmós).

Pronunciation

• (Classical Latin) IPA^(key): [ɫɔ.ɡaˈrɪtʰ.mʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [lo.ɡaˈrit.mus]

Noun

logarithmus m (genitive logarithmī); second declension (New Latin)

1. (mathematics) logarithm
   • 1620, John Napier, Mirifici Logarithmorum Canonis Constructio, Preface by Robert Napier, p. 3:

     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.

Declension

Second-declension noun.

	singular	plural
nominative	logarithmus	logarithmī
genitive	logarithmī	logarithmōrum
dative	logarithmō	logarithmīs
accusative	logarithmum	logarithmōs
ablative	logarithmō	logarithmīs
vocative	logarithme	logarithmī

Related terms

• logarithmicus

Descendants

• ⇒ English: logarithm
• → French: logarithme (learned)
• ⇒ Russian: логари́фм (logarífm), логари́ѳмъ (logarífm) — pre-1918 spelling
  • → Kazakh: логарифм (logarifm)
  • → Uyghur: لوگارىفما (logarifma)