Also stakto-. [f. Gr. στακτό-ς (see prec.) + -METER.] (See quot.)
1842. Encycl. Brit. (ed. 7), XII. 25/1. (Hydrodynamics), Brewsters Staktometer. The Staktometer, or drop-measurer is a glass vessel four or five inches long, having a hollow bulb about half an inch in diameter. The instrument is filled by suction . The fluid is then allowed to discharge itself by drops, and the number of them is counted till the surface of the fluid descends to another fixed point.