'Keilhauite' definitions:

Definition of 'Keilhauite'

From: GCIDE

Keilhauite \Keil"hau*ite\ (k[imac]l"hou*[imac]t), n. (Min.) A mineral of a brownish black color, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria. [1913 Webster]