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From Latin armāmentum (arsenal), from armāmenta (tools).


armamentarium (plural armamentariums or armamentaria)

  1. All of the equipment available for carrying out a task, especially all the equipment used by a physician in the practice of medicine.
    • 2010, Timothy J. Nelson et al., "Induced pluripotent stem cells: advances to applications," Stem Cells and Cloning: Advances and Applications, Dove Press, no. 3, p. 29:
      Induced pluripotent stem cell (iPS) technology has enriched the armamentarium of regenerative medicine by introducing autologous pluripotent progenitor pools bioengineered from ordinary somatic tissue.




From armāmenta (tools, equipment, rigging) +‎ -ārium.


  • (Classical) IPA(key): /ar.maː.menˈtaː, [ar.maː.mɛnˈtaː.ri.ũ]


armāmentārium n (genitive armāmentāriī); second declension

  1. arsenal


Second declension.

Case Singular Plural
nominative armāmentārium armāmentāria
genitive armāmentāriī armāmentāriōrum
dative armāmentāriō armāmentāriīs
accusative armāmentārium armāmentāria
ablative armāmentāriō armāmentāriīs
vocative armāmentārium armāmentāria


  • armamentarium in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • armamentarium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • armamentarium in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette
  • armamentarium in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • armamentarium in Samuel Ball Platner (1929), Thomas Ashby, editor, A Topographical Dictionary of Ancient Rome, London: Oxford University Press
  • armamentarium in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700[1], pre-publication website, 2005-2016
  • armamentarium in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin