1. (physics) an optical device containing parallel mirrors, used e.g. to measure wavelength
   - Fabry-Pérot interferometer

Derived forms: etalons

Encyclopedia: Etalon

• Cape Cod Canal
• Cape Colony
• Cape dagga
• Cape Fear
• Cape Fear River
• Cape Flattery
• cape forget-me-not
• Cape Froward
• Cape Girardeau
• cape gooseberry
• Cape Hatteras
• Cape Horn
• Cape hunting dog
• cape hyacinth
• cape jasmine
• cape jessamine
• Cape kafferboom
• Cape Kennedy
• Cape lobster
• cape marigold
• Cape May
• Cape May warbler
• Cape of Good Hope
• Cape of Good Hope Province
• Cape Passero