Rutile

[ru:ti:l]

解釋/意思:

(noun.) a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium.

艾德蒙編輯--From WordNet

解釋/意思:

(n.) A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brookite.

达琳錄入

解釋/意思:

n. one of the three forms in which titanium dioxide occurs.

整理:塔尼娅