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4 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
mag·ne·sia
/mægˈniʃə, ʒə/
苦土,氧化鎂
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
mag·ne·sia
/mægˈnɪʃə, ˈnɪʒə/
名詞
From:
Webster's Revised Unabridged Dictionary (1913)
Mag·ne·si·a
n.
Chem.
A
light
earthy
white
substance
,
consisting
of
magnesium
oxide
(
MgO
),
and
obtained
by
heating
magnesium
hydrate
or
carbonate
,
or
by
burning
magnesium
.
It
has
a
slightly
alkaline
reaction
,
and
is
used
in
medicine
as
a
mild
antacid
laxative
.
See
Magnesium
.
Magnesia alba
Med. Chem.
,
a
bulky
white
amorphous
substance
,
consisting
of
a
hydrous
basic
carbonate
of
magnesium
,
and
used
as
a
mild
cathartic
.
◄
►
From:
WordNet (r) 2.0
magnesia
n
:
a
white
solid
mineral
that
occurs
naturally
as
periclase
;
a
source
of
magnesium
[
syn
:
periclase
,
magnesium oxide
]
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