D defs.my
Entry 1 sense Webster, 1913

Pneumato-

/(nū"mȧ*tō̇- [or] nū̇*măt"ō̇-)/ · Pneu·ma·to- · IPA /ˈ(p)njuːmətəʊ/
01 A combining form from Gr. pney^ma, pney`matos, wind, air, breath, respiration; as, pneumatograph, pneumatology.
  1. 1.
    A combining form from Gr. pney^ma, pney`matos, wind, air, breath, respiration; as, pneumatograph, pneumatology.