Pronunciation (US) IPA (key): /məˈtɪri.əlz/ (UK) IPA (key): /məˈtɪərɪəlz/ Audio (US)(file) Hyphenation: ma‧te‧ri‧als Noun Singular material Plural materials The plural form of material; more than one (kind of) material.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads