ellipsometer

[ ih-lip-som-i-ter, el-ip-, ee-lip- ]
/ ɪ lɪpˈsɒm ɪ tər, ˌɛl ɪp-, ˌi lɪp- /

noun Optics.

an instrument that measures the ellipticity of polarized light, used for determining the thickness of thin films.

Origin of ellipsometer

ellipse + -o- + -meter

Words nearby ellipsometer

ellipsograph, ellipsoid, ellipsoid of revolution, ellipsoidal, ellipsoidal joint, ellipsometer, ellipt, elliptic function, elliptic geometry, elliptic integral, elliptic paraboloid