™ / ˈtænɔɪ; NAmE / noun
( BrE ) a system with loudspeakers used for giving information in a public place :
to make an announcement over the Tannoy
••
WORD ORIGIN
1920s: contraction of tantalum alloy , which is used as a rectifier in the system.
™ / ˈtænɔɪ; NAmE / noun
( BrE ) a system with loudspeakers used for giving information in a public place :
to make an announcement over the Tannoy
••
WORD ORIGIN
1920s: contraction of tantalum alloy , which is used as a rectifier in the system.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005