TELEPHONE

[verb], [noun] - (to use) a phoneYou can telephone from your hotel room. [I]Thousands of cancer sufferers had telephoned the institute in the hope of receiving the new therapy. [T]The telephone's ringing - will you answer it, please? [C]I tried to contact her by telephone. [U]See study section: TelephoneA telephone directory (informal phone book) contains all the telephone numbers for a particular area, organization, etc.A telephone exchange is the building which contains the equipment for connecting telephone calls.