■ adjective using more than one medium of expression or communication.
■ noun Computing an extension of hypertext allowing the provision of audio and video material cross-referenced to a text.
■ adjective using more than one medium of expression or communication.
■ noun Computing an extension of hypertext allowing the provision of audio and video material cross-referenced to a text.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004