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psilomelane
psi·lom·e·lane
/
saɪˈlɒm
əˌleɪn
/
Show Spelled
[
sahy-
lom
-
uh
-leyn
]
Show IPA
noun
a common mineral consisting of a
mixture
of pyrolusite and other oxides of
manganese
, usually found in black, rounded masses: an ore of manganese.
Origin:
1825–35;
<
Greek
psīló
(
s
) bare, smooth +
mélan,
neuter of
mélas
black
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To
psilomelane
Collins
World English Dictionary
psilomelane
(sɪˈlɒmɪˌleɪn)
—
n
Also called:
romanicite
a common black to grey secondary mineral consisting of hydrated basic oxide of manganese and barium: a source of manganese. Formula: BaMn
9
O
16
(OH)
4
[C19: from Greek
psilos
bare +
melas
black]
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Psilomelane
is always a great word to know.
So is
quincunx
. Does it mean:
So is
slumgullion
. Does it mean:
So is
zedonk
. Does it mean:
a fool or simpleton; ninny.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
the offspring of a zebra and a donkey.
a fool or simpleton; ninny.
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