Meaning of INTERFEROMETER in English

INTERFEROMETER

ˌ ̷ ̷ ̷ ̷fəˈräməd.ə(r) noun

Etymology: International Scientific Vocabulary interfero- (from interfere ) + -meter

: an instrument for precise determinations of wavelength, spectral fine structure, indices of refraction, and very small linear displacements through the separation of light by means of a system of mirrors and glass plates into two parts that travel unequal optical paths and when reunited consequently interfere with each other — see acoustic interferometer

• in·ter·fer·o·met·ric ˌ ̷ ̷ ̷ ̷|firə|me.trik adjective

• in·ter·fer·o·met·ri·cal·ly -rə̇k(ə)lē adverb

• in·ter·fer·om·e·try ˌ ̷ ̷ ̷ ̷fəˈrämə.trē noun -es

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.