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5 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
stron·tium
/ˈstrɑn(t)ʃ(i)əm, ˈstrɑntiəm/
鍶[金屬元素]
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
stron·tium
/ˈstrɑnʧ(ɪ)əm, ˈstrɑntɪəm/
名詞
From:
Webster's Revised Unabridged Dictionary (1913)
Stron·ti·um
n.
Chem.
A
metallic
element
of
the
calcium
group
,
always
naturally
occurring
combined
,
as
in
the
minerals
strontianite
,
celestite
,
etc
.
It
is
isolated
as
a
yellowish
metal
,
somewhat
malleable
but
harder
than
calcium
.
It
is
chiefly
employed
(
as
in
the
nitrate
)
to
color
pyrotechnic
flames
red
.
Symbol
Sr
.
Atomic
weight
87.3.
◄
►
From:
WordNet (r) 2.0
strontium
n
:
a
soft
silver-white
or
yellowish
metallic
element
of
the
alkali
metal
group
;
turns
yellow
in
air
;
occurs
in
celestite
and
strontianite
[
syn
:
Sr
,
atomic number 38
]
From:
Elements database 20001107
strontium
Symbol
:
Sr
Atomic
number
: 38
Atomic
weight
: 87.62
Soft
yellowish
metallic
element
,
belongs
to
group
2
of
the
periodic
table
.
Highly
reactive
chemically
. Sr-90
is
present
in
radioactive
fallout
and
has
a
half-life
of
28
years
.
Discovered
in
1798
by
Klaproth
and
Hope
,
isolated
in
1808
by
Humphry
Davy
.
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