subtractio

Latin

Etymology

From subtrahō +‎ -tiō.

Pronunciation
  • (Classical) IPA(key): /subˈtrak.ti.oː/, [s̠ʊpˈt̪räkt̪ioː]
  • (Ecclesiastical) IPA(key): /subˈtrak.t͡si.o/, [subˈt̪räkt̪͡s̪io]

Noun

subtractiō f (genitive subtractiōnis); third declension

  1. withdrawing
  2. (mathematics) subtraction
    • ca. 1230, Johannes de Sacrobosco, De Arte Numerandi, in Rara Mathematica (1841), p.6
      Subtractio est, propositis duobus numeris, majoris ad minorem excessus inventio.
      Subtraction is, given two numbers, the finding of the excess from the larger to the smaller.

Declension

Third-declension noun.

Case Singular Plural
Nominative subtractiō subtractiōnēs
Genitive subtractiōnis subtractiōnum
Dative subtractiōnī subtractiōnibus
Accusative subtractiōnem subtractiōnēs
Ablative subtractiōne subtractiōnibus
Vocative subtractiō subtractiōnēs

Descendants

References
  • “subtractio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • subtractio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
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