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单词
unnilpentium
释义
WordReference Random House Unabridged Dictionary of American English © 2024
un•nil•pen•ti•um
(yo̅o̅′nil pen
′
tē əm),
USA pronunciation
n.
Chemistry, Physics, Physics
provisional name for the transuranic element with atomic number 105.
Symbol:
Unp Also called
element 105, hahnium.
Latin
ūn
(
us
)
one
+
nīl
nothing + Greek
pént
(
e
)
five
+ Neo-Latin
-ium
-
ium
1975–80
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更新时间:2025/11/21 18:41:16