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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% | MAT Yoga surface | (3) | ||
| 2% | MIRROR Reflect | (6) | The Telegraph Quick | Jan 29, 2026 |
| 2% | WASHBOARD Flat wooden structure with a corrugated surface used as a simple percussion instrument (9) | (9) | Mirror Quiz | Jan 29, 2026 |
| 2% | LEVEL Flat | (5) | The Telegraph Cross Atlantic | Jan 29, 2026 |
| 2% | TYREGAUGE Driver's measuring device (4,5) | (9) | Puzzler | Jan 26, 2026 |
| 2% | PLATE Flat dish | (5) | Newsday | Jan 25, 2026 |
| 2% | ULNA It's parallel to the radius | (4) | Wall Street Journal | Jan 24, 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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