interferometer
noun
in·ter·fer·om·e·ter
ˌin-tər-fə-ˈrä-mə-tər 
ˌin-tə-,
-ˌfi-ˈrä-
: an apparatus that utilizes the interference of waves (as of light) for precise determinations (as of distance or wavelength)
Examples of interferometer in a Sentence
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Scientists in Wales have built the world’s most sensitive table-top interferometer, which is a miniature, ultra-precise instrument capable of measuring distortions in space-time smaller than a trillionth of a human hair.
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Georgina Jedikovska, Interesting Engineering, 10 Oct. 2025
Alternatively, many small telescopes could be launched into space to work as an optical interferometer, combining the light of all the telescopes to give the resolution of a larger aperture.
—Keith Cooper, Space.com, 1 Sep. 2025
The effective resolution of an interferometer is the same as a single dish as big as the widest distance among the elements.
—ArsTechnica, 16 Apr. 2025
With a rectangular array of those interferometers, the team could realize a larger set of matrix operations across all six optical channels.
—Ars Technica, 12 Jan. 2025
See All Example Sentences for interferometer
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Georgina Jedikovska, Interesting Engineering, 10 Oct. 2025
Alternatively, many small telescopes could be launched into space to work as an optical interferometer, combining the light of all the telescopes to give the resolution of a larger aperture.
—Keith Cooper, Space.com, 1 Sep. 2025
The effective resolution of an interferometer is the same as a single dish as big as the widest distance among the elements.
—ArsTechnica, 16 Apr. 2025
With a rectangular array of those interferometers, the team could realize a larger set of matrix operations across all six optical channels.
—Ars Technica, 12 Jan. 2025
See All Example Sentences for interferometer
Cite this Entry
“Interferometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interferometer. Accessed 31 Oct. 2025.
Copy CitationKids Definition
interferometer
noun
in·ter·fer·om·e·ter
ˌint-ə(r)-fə-ˈräm-ət-ər
-ˌfir-ˈäm-
: an instrument that uses the interference of waves (as of light) for making exact measurements (as of wavelength)
Medical Definition
interferometer
noun
in·ter·fer·om·e·ter
ˌint-ə(r)-fə-ˈräm-ət-ər, -ˌfir-ˈäm-
: an instrument that utilizes the interference of waves (as of light) for precise determination especially of wavelength, spectral fine structure, indices of refraction, and very small linear displacements
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