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yttrium
orthoaluminate
yttrium
Noun
—
Yttrium
is
a
metallic
element
with
an
atomic
number
of
39
and
symbol
Y
.
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orthoaluminate
noun
—
(
inorganic
chemistry
)
A
mixed
metal
oxide
containing
one
aluminium
three
oxygen
atoms
in
each
formula
,
MAlO
3
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