Also found in: Dictionary.
Related to apneumatic: pneumatic
apneumatic(ap″noo-mat′ik) [ ¹an- + pneumatic]
1. A dated term for free of air, as in a collapsed lung.
2. Pert. to a procedure done in the absence of air.
adj free from air; used to describe something accomplished with the exclusion of air, such as an apneumatic operation. (not current)