D defs.my
Entry 2 senses Webster, 1913

Pneumatology

· Pneu·ma·tol·o·gy · IPA /ˌnjuː.məˈtɒ.lə.d͡ʒi/
01 n. The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1.
  1. 1.
    The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1. See: Pneumatics
  2. 2.
    The science of spiritual being or phenomena of any description.(Philos. & Theol.)