NYT Dictionary
ETALON
/ˈeɪt.ˌlɑn/NounE-ta-lone-ta-lon · 3 syllablesAdvanced/Professional
Accepted in official NYT Spelling Bee puzzle years: 2024
Meaning
An optical device containing parallel mirrors, used as a narrow band filter, often in laser design.
Etymology
Origin: French
Borrowed from French étalon (“measuring gauge, standard”).
Synonyms & Antonyms
Synonyms
Fabry-Pérot interferometer
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2024.