orthogeosyncline

noun

A linear geosynclinal belt lying between continental and oceanic cratons, and having internal volcanic belts (eugeosynclinal) and external nonvolcanic belts (miogeosynclinal). Also known as geosynclinal couple; primary geosyncline.

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Meanings

nounorthogeosyncline (plural orthogeosynclines)

plural orthogeosynclines

  1. geographyA linear geosynclinal belt lying between continental and oceanic cratons, and having internal volcanic belts (eugeosynclinal) and external nonvolcanic belts (miogeosynclinal). Also known as geosynclinal couple; primary geosyncline.

Origin

From ortho- + geosyncline.

Full word history & related roots →
Cite this entry
APA

orthogeosyncline. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/orthogeosyncline

MLA

“orthogeosyncline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthogeosyncline. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthogeosyncline,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/orthogeosyncline.

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