capillar 'ity. 1

The condition of being capillary. 2. Capillary attraction, coefficient of c, constant of c. A number indicating the amount of capillary force exerted upon the unit of area of a solid or liquid, modulus of c. A number representing the change in the height of a capillary column consisting of a solution of a metallic salt, when either the basic or the acid radicle of the salt is replaced by another radicle. This modulus is constant for any given radicle. [Lat., capillus, a hair.] capillary. 1. (Adj.) Pertaining to the hair or to very thin hairlike filaments. 2. (Adj.) Of hairlike finene . 3. (N.) A minute ve el, especially a blood ve el of the system connecting the termination of the arteries with the radicles of the veins, arterial capillaries. The capillaries immediately terminating the smallest arteries. lymphatic capillaries. The radicles of the lymphatic ducts, pulmonary capillaries. The capillaries in the membranous lining of the air cells of the lungs, between the pulmonary arteries and veins, radial capillaries of the liver, branches of the liA^er. Branches of the central vein of an acinus of the liver, radiating toward the periphery of the acinus, venous capillaries. The capillaries immediately preceding and forming the smallest veins. [Lat, capillar is, relating to the hair.]