PYROLUSITE


Meaning of PYROLUSITE in English

[py.ro.lu.site] n [G Pyrolusit, fr. Gk pyr- + lousis washing, fr. louein to wash--more at lye] (1828): a mineral consisting of manganese dioxide that is of an iron-black or dark steel-gray color and metallic luster, is usu. soft, and is the most important ore of manganese

Merriam-Webster English vocab.      Английский словарь Merriam Webster.