orthopinacoid

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noun

Either of the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.

Scrabble 21
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Meanings

nounorthopinacoid (plural orthopinacoids)

plural orthopinacoids

  1. chemistryEither of the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.

Origin

From ortho- + pinacoid.

Full word history & related roots →
Cite this entry
APA

orthopinacoid. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/orthopinacoid

MLA

“orthopinacoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthopinacoid. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthopinacoid,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/orthopinacoid.

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