The story
Invented by Abbé Alexis Marie Rochon.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A polarizer made from two prisms of a birefringent material such as calcite, which are cemented together. Full definition →
Invented by Abbé Alexis Marie Rochon.
Etymology from Wiktionary, CC BY-SA 4.0.