Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths Crossword Clue

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Here is the answer for the crossword clue Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths last seen in Mirror Quiz puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 6 letters. We think the likely answer to this clue is ETALON.

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Crossword Answer For Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% ETALON Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths (6) Mirror Quiz Feb 16, 2025
3% AREA Surface measure (4) The Telegraph Cross Atlantic Oct 1, 2025
2% HELIOSTAT Energy device that reflects sunlight (9) New York Times Oct 18, 2025
2% ENAMEL Tooth surface (6) The Telegraph Quick Oct 18, 2025
2% EVEN Flat (4) The Telegraph Cross Atlantic Oct 13, 2025
2% MAT Wrestling surface (3) Commuter Oct 10, 2025
2% ANGELO "Measure for Measure" antagonist (6) LA Times Daily Oct 4, 2025
2% THWACK Sound of something hitting a flat surface (6) (6) Puzzler Oct 3, 2025
2% ECHO Reflected sound (4) The Telegraph Quick Oct 3, 2025
2% MAISONETTE Small flat (10) The Telegraph Quick Oct 2, 2025

Last appeared together with the following clues in Mirror Quiz puzzle

Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths Crossword Clue
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We found 40 solutions for Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is ETALON.

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