Sphe-rōm'e-ter, n.
n. [Fr. sphéromètre, from Gr. σφαῖρα, a sphere, and μέτρον, measure.] An instrument for measuring the thickness of small bodies, the curvature of optical glasses, and the like.
n. [Fr. sphéromètre, from Gr. σφαῖρα, a sphere, and μέτρον, measure.] An instrument for measuring the thickness of small bodies, the curvature of optical glasses, and the like.