orthoamphibolite

noun

Metamorphic rock composed mostly of amphibole, plagioclase, with lesser amounts of epidote, zoisite, chlorite, quartz, titanite, and accessory leucoxene, ilmenite and magnetite derived from an igneous rock.

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Meanings

nounorthoamphibolite (plural orthoamphibolites)

plural orthoamphibolites · alternative ortho-amphibolite

  1. geographyMetamorphic rock composed mostly of amphibole, plagioclase, with lesser amounts of epidote, zoisite, chlorite, quartz, titanite, and accessory leucoxene, ilmenite and magnetite derived from an igneous rock.

Origin

From ortho- + amphibolite.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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