Please enable javascript to use dictionary! Howto enable javascript?
electron beam [electron beams]▼◼◼◼noun
cathode beam▼noun[UK: ˈkæ.θəʊd biːm] [US: ˈkæθoʊd ˈbiːm]
cathode ray [cathode rays]▼noun[UK: ˈkæ.θəʊd reɪ] [US: ˈkæθoʊd ˈreɪ]
↑