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

Last Seen in:

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.

Today's Mini Crossword

Like NYT Mini, but free. Forever. No playwall.

See results below advertisement

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

You can click on thetiles to reveal letter by letter before uncovering the full solution.

advertisement

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% LEVEL With a flat surface (5) Newsday Oct 29, 2025
2% UNPRECEDENTED Having no parallel in past experience (13) The Times Concise Dec 1, 2025
2% SLIDERULE Mathematical device that may be used to calculate logarithms (9) The Times Specialist Dec 1, 2025
2% CHAP Surface crack (4) LA Times Daily Nov 29, 2025
2% MAT Wrestling surface (3)
2% SHOES Pumps and flats (5) Commuter Nov 27, 2025
2% EATON Use as a surface for a meal (5) The Washington Post Mini Nov 26, 2025
2% EVEN Flat (4) The Telegraph Quick Nov 25, 2025
2% TARMAC Airport surface (6) LA Times Daily Nov 25, 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
Stay up-to-date with our updates!
Explore your favorite daily puzzles and get quick tips, find missing answers to complete your crossword.
CW alt logo

Fresh Clues From Recent Puzzles

Your Crossword Clues FAQ Guide

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.

With crossword-solver.io you will find 40 solutions. We use historic puzzles to find the best matches for your question. We add many new clues on a daily basis.

With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Spectroscopic device with two flat parallel reflecting surfaces used to measure wavelengths.