semimeridian

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noun

The intersection of a surface of revolution and a half-plane through its centre

Scrabble 17
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Meanings

nounsemimeridian (plural semimeridians)

plural semimeridians

  1. geometryThe intersection of a surface of revolution and a half-plane through its centre

Origin

From semi- + meridian.

Full word history & related roots →
Cite this entry
APA

semimeridian. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/semimeridian

MLA

“semimeridian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semimeridian. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “semimeridian,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/semimeridian.

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