| / English Dictionary |
PYROLUSITE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A mineral consisting of manganese dioxide; an important source of manganese
Classified under:
Hypernyms ("pyrolusite" is a kind of...):
mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)
Meronyms (substance of "pyrolusite"):
atomic number 25; manganese; Mn (a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals)
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