rutilePronunciation: /ˈruːtɪl, ˈruːtʌɪl/Definition of rutile noun [mass noun] a black or reddish-brown mineral consisting of titanium dioxide, typically occurring as needle-like crystals. Origin: early 19th century: from French, or from German Rutil, from Latin rutilus 'reddish'rutile in other Oxford dictionaries Definition of rutile in the US English dictionary
