Similar words: futile, futilely, rutin, brutish, scrutiny, scrutinise, scrutinize, scrutineer. Meaning: n. a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium.
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31. Natural rutile photocatalyst was prepared with the method of grinding and sizing.
32. It was found that except for usual eclogitic minerals such as garnet, omphacite and rutile, the eclogites contain allanite and fluor-apatite.