• Webster's Revised Unabridged Dictionary
    • Pneumatology The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1.
    • Pneumatology (Philos. & Theol) The science of spiritual being or phenomena of any description.
    • ***
Century Dictionary and Cyclopedia
    • n pneumatology The doctrine of or a treatise on the properties of elastic fluids; pneumatics.
    • n pneumatology The branch of philosophy which treats of the nature and operations of mind or spirit, or a treatise on it.
    • n pneumatology The study of the beliefs, practices, and organizations of men with reference to a supposed world of spirits; spiritual philosophy.
    • n pneumatology In theology, the doctrine of the Holy Spirit.
    • ***
Chambers's Twentieth Century Dictionary
    • Pneumatology the science of elastic fluids: pneumatics: the branch of philosophy which treats of spirits or mind:
    • Pneumatology (theol.) the doctrine of the Holy Spirit
    • ***


Webster's Revised Unabridged Dictionary
Pneumato-, + -logy,: cf. F. pneumatologie,
Chambers's Twentieth Century Dictionary
L.,—Gr. pneumatikospneum-a, -atos, wind, air—pnein, to blow, to breathe.


In literature:

Ghosts, some, presumed fidgety, (but see Stilling's Pneumatology,) 75.
"The Biglow Papers" by James Russell Lowell
But neither the physiology, nor the pneumatology had been placed in organic connection with the central cerebral science.
"Buchanan's Journal of Man, September 1887" by Various
As to the psychic half of the cerebral functions, they omitted entirely that portion which relates to pneumatology.
"Buchanan's Journal of Man, October 1887" by Various
The science of the body was Somatology, that of the mind Pneumatology.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4" by Various
Learned pigs don't believe in pneumatology, nor in astronomy, but in gastronomy.
"About London" by J. Ewing Ritchie