Meanings
nounsecondary diagonal (plural secondary diagonals)
plural secondary diagonals
- Synonym of antidiagonal.
Synonyms: antidiagonal
Synonyms & antonyms
nounSynonym of antidiagonal.
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Also see
Cite this entry
APA
secondary diagonal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/secondary%20diagonal
MLA
“secondary diagonal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/secondary%20diagonal. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “secondary diagonal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/secondary%20diagonal.
Source: secondary diagonal on Wiktionary, CC BY-SA 4.0.