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Interferometer
noun
Definitions
Noun
- 1 Any of several instruments that use the interference of waves to determine wavelengths and wave velocities, determine refractive indices, measure small distances, temperature changes, stresses, and many other useful measurements.
- 2 any measuring instrument that uses interference patterns to make accurate measurements of waves wordnet
Etymology
From interfer(e) + -o- + -meter.
See also for "interferometer"
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