最終更新日：2025/11/19
(chemistry) One of a class of caustic bases, such as soda, soda ash, caustic soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.
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alkali
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元となった辞書の項目
alkali
IPA（発音記号）
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不可算名詞
アメリカ英語
西部方言
(chemistry)
One
of
a
class
of
caustic
bases,
such
as
soda,
soda
ash,
caustic
soda,
potash,
ammonia,
and
lithia,
whose
distinguishing
peculiarities
are
solubility
in
alcohol
and
water,
uniting
with
oils
and
fats
to
form
soap,
neutralizing
and
forming
salts
with
acids,
turning
to
brown
several
vegetable
yellows,
and
changing
reddened
litmus
to
blue.
日本語の意味
化学において、ソーダ、ソーダ灰、苛性ソーダ、カリ、アンモニア、リシアなどに代表される、油脂と反応して石鹸を作り、酸と中和して塩を生成する、水やアルコールに溶ける特徴を持つ苛性塩基の一群
意味（1）
(chemistry)
One
of
a
class
of
caustic
bases,
such
as
soda,
soda
ash,
caustic
soda,
potash,
ammonia,
and
lithia,
whose
distinguishing
peculiarities
are
solubility
in
alcohol
and
water,
uniting
with
oils
and
fats
to
form
soap,
neutralizing
and
forming
salts
with
acids,
turning
to
brown
several
vegetable
yellows,
and
changing
reddened
litmus
to
blue.
（ plural ）
（ plural ）
