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单词
periodic acid
释义
WordReference Random House Unabridged Dictionary of American English © 2024
per
′
i•od
′
ic ac
′
id
(pûr
′
ī od
′
ik, pûr′-),
USA pronunciation
[
Chem.
]
Chemistry
any of a series of acids derived from I
2
O
7
by the addition of water molecules, as HIO
4
or H
5
IO
6
.
1830–40
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更新时间:2025/11/20 7:25:11