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3 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
ob·sid·i·an
/əbˈsɪdiən/
黑曜石,十勝石
From:
Webster's Revised Unabridged Dictionary (1913)
ob·sid·i·an
n.
Min.
A
kind
of
glass
produced
by
volcanoes
.
It
is
usually
of
a
black
color
,
and
opaque
,
except
in
thin
splinters
.
Note:
☞
In
a
thin
section
it
often
exhibits
a
fluidal
structure
,
marked
by
the
arrangement
of
microlites
in
the
lines
of
the
flow
of
the
molten
mass
.
◄
►
From:
WordNet (r) 2.0
obsidian
n
:
acid
or
granitic
glass
;
usually
dark
,
but
transparent
in
thin
pieces
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