The story
From radio- (“ray”) + Ancient Greek ὀπτικός (optikós, “visual”).
Etymology from Wiktionary, CC BY-SA 4.0.
radiopticon
Today it means: A kind of projector or magic lantern that did not require slides. Full definition →
Today it means: A kind of projector or magic lantern that did not require slides. Full definition →
From radio- (“ray”) + Ancient Greek ὀπτικός (optikós, “visual”).
Etymology from Wiktionary, CC BY-SA 4.0.