Pneumatics
(n.) That branch of science which treats of the mechanical properties of air and other elastic fluids, as of their weight, pressure, elasticity, etc. See Mechanics.
(n.) The scientific study or knowledge of spiritual beings and their relations to God, angels, and men.
Similar Words:
Apneumatic Apneumona Autopneumatic Broncho-pneumonia Dipneumona Gastropneumatic Hydropneumatic Hydropneumatic gun carriage Monopneumona Peripneumonia