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1
English
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1.1
Etymology
1.2
Noun
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From Wiktionary, the free dictionary
English
[
edit
]
Etymology
[
edit
]
From
counter-
+
diagonal
.
Noun
[
edit
]
counterdiagonal
(
plural
counterdiagonals
)
(
mathematics
)
Synonym of
antidiagonal
Categories
:
English terms prefixed with counter-
English lemmas
English nouns
English countable nouns
en:Mathematics
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