ASPIRATION

n. A?s-pi?r-a/shu’n, Lat., asp i ratio (from aspirare, to breathe or blow upon). Fr., aspiration. Ger., Aspiration. It., as pir azione. Sp., aspiracion. 1. In chemistry and pharmacy, the proce of sucking-a gas or a liquid from one receptacle into another, as by means of a siphon. i 2.) 2 The act of drawing in the breath; inspiration (used in this sense by French and Italian writers especially). (J.] 3. The sucking action exerted upon the circulatory system during re pinstion. by which the ve els in the thorax are somewhat expanded, so that the movement of the blood in the systemic veins toward the heart is accelerated, while the peripheral, or outward, movement of the blood in the systemic arterles is retarded. The movement of the blood in the entire pulmonary circulation is accelerated after the first instant. (J, 11, 19.] 4. Pronunciation with a full emi ion of the breath, giving a rough h-sound. [J.] 5. The removal of fluid from a cavity of the body fo meaos of suction, especially with the aspirator (q. v., 3d def.).—Pneumatic a. Fr., a. pneumatique. See A. (th def.).