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.

Nearby words

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

Origin of ellipsometer

ellipse + -o- + -meter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019