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Meaning of ultramafic | Babel Free

Adjective CEFR B2

Definitions

Describing igneous rocks that contain magnesium and iron and only a very small amount of silica, such as are found in the Earth’s mantle.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

ultramagnetic ultramarine ultramasculine ultramassive ultramaternal ultramatricial