The Collaborative International Dictionary of English v.0.48:
audiovisual \audiovisual\ audio-visual \audio-visual\adj.
1. 1 pertaining to or using audiovisual aids in teaching or
exposition the school's audiovisual department
[WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
audiovisual \audiovisual\ n.
1. 1 materials using sight or sound to present information;
-- usually used in the plural. "language tapes and
videocassettes and other audiovisuals"
Syn: audiovisual aid.
[WordNet 1.5]