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2 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
di·dym·i·um
/daɪˈdɪmiəm/
一種化學混合物
From:
Webster's Revised Unabridged Dictionary (1913)
Di·dym·i·um
n.
Chem.
A
rare
metallic
substance
usually
associated
with
the
metal
cerium
; --
hence
its
name
.
It
was
formerly
supposed
to
be
an
element
,
but
has
since
been
found
to
consist
of
two
simpler
elementary
substances
,
neodymium
and
praseodymium
.
See
Neodymium
,
and
Praseodymium
.
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