Psilomelane Definition
sī-lŏmə-lān
noun
A mixture of black manganese oxide minerals.
American Heritage
Other Word Forms of Psilomelane
Noun
Singular:
psilomelane
Plural:
psilomelanesOrigin of Psilomelane
Greek psīlos bare Greek melās melan- black
From American Heritage Dictionary of the English Language, 5th Edition
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