WordReference Random House Unabridged Dictionary of American English © 2025
cath•o•do•lu•mi•nes•cence
(kath′ə dō lo̅o̅′mə nes′əns),USA pronunciation n.
cath′o•do•lu′mi•nes′cent, adj.
- Physicslight emitted by a substance undergoing bombardment by cathode rays.
- cathode + -o- + luminescence 1905–10