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Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths Crossword Clue
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:
| Rank | Answer | Length | Source | Date |
|---|---|---|---|---|
| 98% | ETALON Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths | (6) | Mirror Quiz | Feb 16, 2025 |
| 3% | ANGSTROM Tiny unit of measure used to express wavelengths | (8) | The Times Concise | Jan 29, 2026 |
| 3% | AREA Surface measurement | (4) | Puzzler Backwords | Jan 9, 2026 |
| 2% | GEIGERCOUNTER Instrument used to measure radioactivity (6,7) | (13) | Puzzler | Feb 25, 2026 |
| 2% | JACK Tool used to change a flat | (4) | Universal | Feb 24, 2026 |
| 2% | SCUD Soviet surface-to-surface missile used in the Gulf War (4) | (4) | Mirror Quiz | Feb 24, 2026 |
| 2% | PUPPETRULER Measuring device at a toy store? | (11) | LA Times Daily | Feb 22, 2026 |
| 2% | RINK Icy surface | (4) | The Telegraph Quick | Feb 22, 2026 |
| 2% | LEVEL Flat | (5) | Thomas Joseph | Feb 21, 2026 |
| 2% | DROSS Surface impurities | (5) | Puzzler Backwords | Feb 19, 2026 |
Last appeared together with the following clues in Mirror Quiz puzzle
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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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