'Interferometer' definitions:
Definition of 'interferometer'
From: WordNet
noun
Any measuring instrument that uses interference patterns to make accurate measurements of waves
Definition of 'Interferometer'
From: GCIDE
- Interferometer \In`ter*fe*rom"e*ter\, n. [See Interfere and -meter.] (Physics) An instrument for measuring small movements, distances, or displacements by means of the interference of two beams of light; -- formerly also called also refractometer, but that word now has a different meaning. [Webster 1913 Suppl. +PJC]