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From πνεῠμᾰτ- (pneumat-), the stem of the Ancient Greek πνεῦμᾰ (pneûma, air”, “wind”, “breath”, “spirit); compare the English pneuma and pne-, as well as the French, German, and post-Classical Latin pneumato- ⁽ᶠʳ⁾ ⁽ᵈᵉ⁾ ⁽ˡᵃ⁾.




  1. spirit
  2. air, gas

Usage notes[edit]

  • When combined with a word or another affix which begins with a consonant, this prefix concatenates with -o- (as pneumato-).
  • This prefix is sometimes synonymous with pneum- and pneumo-.

Derived terms[edit]


  • “Pneumato-” listed on page 1,032 of volume 7 (O–P) of A New English Dictionary on Historical Principles [1ˢᵗ Ed.; 1909]
      Pneumato- (pniūmăto, niū·-), before a vowel pneumat-, a. Gr. πνευματο-, combining form of πνεῦμα air, breath, spirit: see Pneuma. Used, with various senses, chiefly in scientific and other technical words; for the more important of these, see their alphabetical places. (Also contracted to pneumo-: see Pneumo-, and cf. hæmo-, etc.)
  • pneumato-” listed in the Oxford English Dictionary [2ⁿᵈ Ed.; 1989]
      (pnjuːmətəʊ, njuː-)
  • pneumato-, comb. form” listed in the Oxford English Dictionary [draft revision; Sept. 2009]