ellipsometer

English

Etymology

Etymology tree

English ellipse

Ancient Greek -ο- (-o-)der.

Latin -o-bor.

English -o-

Proto-Indo-European *med-

Proto-Indo-European *meh₁-

Proto-Indo-European *-tḗr

Proto-Indo-European *-om

Proto-Indo-European *-trom

Proto-Hellenic *-tron

Ancient Greek -τρον (-tron)

Ancient Greek μέτρον (métron)lbor.

French -mètrebor.

English -meter

English ellipsometer

From ellipse + -o- + -meter.

Noun

ellipsometer (plural ellipsometers)

1. an instrument that uses polarized light to investigate the surface layers of semiconductor wafers etc. Used in ellipsometry.