bn:00059211n
Noun Concept
Categories: Natural philosophy, Applied and interdisciplinary physics, Optics, long volume value, Electromagnetic radiation
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