macrodiagonal

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noun

The longer of two diagonals, as of a rhombic prism.

OriginEnglish diagonal ← French macro- ← Ancient Greek μᾰκρός (măkrós) →
Scrabble 19
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Meanings

nounmacrodiagonal (plural macrodiagonals)

plural macrodiagonals

  1. archaicchemistryThe longer of two diagonals, as of a rhombic prism.

Origin

  1. Proto-Indo-European*meh₂ḱ-
  2. Proto-Indo-European*mh₂ḱrós
  3. Proto-Hellenic*makrós
  4. Ancient Greekμᾰκρός (măkrós)
  5. Frenchmacro-
  6. Englishmacro-
  7. Englishdiagonal
  8. Englishmacrodiagonal

From macro- + diagonal.

Full word history & related roots →
Cite this entry
APA

macrodiagonal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/macrodiagonal

MLA

“macrodiagonal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/macrodiagonal. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “macrodiagonal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/macrodiagonal.

Source: macrodiagonal on Wiktionary, CC BY-SA 4.0.