Dictionary > English Dictionary > Definition, synonym and antonym of polianite
Meaning of polianite by Wiktionary Dictionary

polianite


    Etymology

    Ancient Greek to become grey .

    Noun

    polianite

    1. ( 鉱物学 ) manganese dioxide, occurring in hard tetragonal crystals



Definition of polianite by GCIDE Dictionary

polianite


  1. Polianite n. [Gr. to become gray.] ( Min. ) Manganese dioxide, occurring in tetragonal crystals nearly as hard as quartz.