say it: aw-dee-oh-VIZH-oo-uhl
audiovisual is a noun and adjective meaning "materials using sight or sound to present information". It carries 2 recorded senses.
materials using sight or sound to present information
“language tapes and videocassettes and other audiovisuals”
involving both hearing and seeing (usually relating to teaching aids)
“the school's audiovisual department”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for audiovisual come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.