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4 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
ke·tone
/ˈkiˌton/
酮類
From:
DICT.TW English-Chinese Medical Dictionary 英漢醫學字典
ke·tone
/ˈkɪˌton/
名詞
酮,甲酮
From:
Webster's Revised Unabridged Dictionary (1913)
Ke·tone
n.
Chem.
One
of
a
large
class
of
organic
substances
resembling
the
aldehydes
,
obtained
by
the
distillation
of
certain
salts
of
organic
acids
and
consisting
of
carbonyl
(
CO
)
united
with
two
hydrocarbon
radicals
.
In
general
the
ketones
are
colorless
volatile
liquids
having
a
pungent
ethereal
odor
.
Note:
☞
The
ketones
are
named
by
adding
the
suffix-
one
to
the
stems
of
the
organic
acids
from
which
they
are
respectively
derived
;
thus
,
acetic
acid
gives
acetone
;
butyric
acid
,
butyrone
,
etc
.
◄
►
From:
WordNet (r) 2.0
ketone
n
:
any
of
a
class
of
organic
compounds
having
a
carbonyl
group
linked
to
a
carbon
atom
in
each
of
two
hydrocarbon
radicals
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