PNEUMATOCELE
Pneu*mat"o*cele, n. Etym: [Pneumato- + Gr. pneumatocèle.] (Med.)

Defn: A distention of the scrotum by air; also, hernia of the lungs.

PNEUMATOCYST
Pneu*mat"o*cyst, n. Etym: [Pneumato- + cyst.] (Zoöl.)

Defn: A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.

PNEUMATOGARM
Pneu*mat"o*garm, n. Etym: [Pneumato- + -gram.] (Physiol.)

Defn: A tracing of the respiratory movements, obtained by a pneumatograph or stethograph.

PNEUMATOGRAPH
Pneu*mat"o*graph, n. Etym: [Pneumato- + -graph.] (Physiol.)

Defn: An instrument for recording the movements of the thorax or chest wall during respiration; — also called stethograph.

PNEUMATOLOGICAL
Pneu`ma*to*log"ic*al, a. Etym: [Cf. F. pneumatologique.]

Defn: Of or pertaining to pneumatology.