Pneu′ma‐tol″o‐gy (?), n. [Pneumato- + -logy: cf. F. pneumatologie.] 1. The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1.
2. (Philos. & Theol.) The science of spiritual being or phenomena of any description.
Webster's Dictionary 1913
Pneu′ma‐tol″o‐gy (?), n. [Pneumato- + -logy: cf. F. pneumatologie.] 1. The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1.
2. (Philos. & Theol.) The science of spiritual being or phenomena of any description.