bn:00059211n
Noun Concept
Categories: Electromagnetic radiation, long volume value, Applied and interdisciplinary physics, Articles with short description, Optics
EN
optical device
EN
A device for producing or controlling light WordNet 3.0
Definitions
Relations
Sources
EN
A device for producing or controlling light WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet
Wikipedia Redirections