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Orthoclase

Noun CEFR B2

Definitions

Potassium aluminum silicate, KAlSi₃O₈, a common feldspar of igneous, plutonic, and metamorphic rocks. Orthoclase is the main feldspar of pegmatite occurrences, where it is most commonly flesh-colored. Orthoclase is used in the ceramic and glass industries and as a decorative gravel.

countable, uncountable

Equivalents

Françaisorthoclase
DeutschOrthoklas
11 more languages
日本語正長石
Қазақ тіліортоклаз
한국어정장석
Nederlandsorthoklaas
Portuguêsortoclase
Românăortoză
Русскийортоклаз
Svenskaortoklas
Türkçeortoklaz

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

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