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单词
octadic
释义
WordReference Random House Unabridged Dictionary of American English © 2024
oc•tad
(ok
′
tad),
USA pronunciation
n.
Mathematics
a group or series of eight.
Chemistry
an element, atom, or group having a valence of eight.
Greek
oktad-
(stem of
oktás
) group of eight, equivalent. to
okt-
oct
- +
-ad
-
ad
1
1835–45
oc•tad
′
ic
,
adj.
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更新时间:2025/12/19 15:39:08