| pneumatics | 1. 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. 2. <philosophy> The scientific study or knowledge of spiritual beings and their relations to God, angels, and men. Origin: Cf. F. Pneumatique. Source: Websters Dictionary (01 Mar 1998) |
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| pneumatinuria | The passage of gas or air from the urethra during or after urination, resulting from decomposition of bladder urine or, more commonly, from an intestinal fistula. Synonym: pneumatinuria. Origin: G. Pneuma, air, + ouron, urine (05 Mar 2000) |
| pneumatised | Containing air. (05 Mar 2000) |
| pneumatism | The doctrine of the pneumatists. (05 Mar 2000) |
| pneumatists | The followers of the school whose physiology centreed around the pneuma and who conceived the causes of disease as disturbances of this vital principle. (05 Mar 2000) |
| pneumatization | The development of air cells such as those of the mastoid and ethmoidal bones. Origin: G. Pneuma, air (05 Mar 2000) |
| pneumato- | See: pneum-. (05 Mar 2000) |
| pneumatocardia | Presence of air bubbles or gas in the blood of the heart; produced by air embolism. (05 Mar 2000) |
| pneumatocele | <medicine> A distention of the scrotum by air; also, hernia of the lungs. Origin: Pneumato- + Gr. A tumour; cf. F. Pneumatocele. Source: Websters Dictionary (01 Mar 1998) |
| pneumatocyst | <zoology> A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia. Origin: Pneumato- + cyst. Source: Websters Dictionary (01 Mar 1998) |
| pneumatoenteric | Medial and lateral recesses at either side of the urogenital mesentery of the embryo, superior recess of the vestibule of the lesser peritoneal space; with the formation of the diaphragm, a portion of the right recess is cut off and becomes the infracardiac bursa; the portion below the diaphragm becomes the superior recess of the lesser peritoneal sac; the left recess is lost. Synonym: pneumatoenteric. (05 Mar 2000) |
| pneumatoenteric recess | Pneumoenteric recess, a recess of the embryonic celom between the right lung bud and the gut; it is normally largely obliterated before birth, leaving only the superior recess of the vestibule of the lesser peritoneal sac as a vestige. (05 Mar 2000) |
| pneumatogarm | <physiology> A tracing of the respiratory movements, obtained by a pneumatograph or stethograph. Origin: Pneumato- + -gram. Source: Websters Dictionary (01 Mar 1998) |
| pneumatograph | <physiology> An instrument for recording the movements of the thorax or chest wall during respiration; also called stethograph. Origin: Pneumato- + -graph. Source: Websters Dictionary (01 Mar 1998) |
| pneumatohemia | Presence of air in blood vessels. See: air embolism. Synonym: pneumatohemia. Origin: G. Pneuma, air, + haima, blood (05 Mar 2000) |