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单词
hydantoin
释义
hydantoin
/haɪˈdæntəʊɪn/
noun
1
Chemistry
a crystalline compound present in sugar beet and used in the manufacture of some anticonvulsant drugs
【化】乙内酰脲。
1.1
A cyclic derivative of urea; chem. formula: C
3
H
4
N
2
O
2
.
尿素的环状衍生物。化学分子式: C
3
H
4
N
2
O
2
.
词源
mid 19th cent.: from Greek
hudōr
'water'+
allantoic
(see
ALLANTOIS
)+
-IN
1
.
随便看
off-shears
offshoot
offshore
offside
offsider
offside trap
off someone's hands
off spin
off-spinner
offspring
offstage
off-street
off stump
off-tackle
offtake
off-the-ball
off the beaten track
off the beaten track
off the bit
off the boat
off the bone
off the bridle
off the cuff
off the hook
off the map
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更新时间:2026/8/19 22:34:39