D defs.my
Entry 1 sense Webster, 1913

Brookite

· Brook·ite · IPA
01 n. A mineral consisting of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombi…
  1. 1.
    A mineral consisting of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombic system.(Min.)