mafic

maf-ic · adjective

imported

Definitions

adjective

  1. 1.

    Relating to or denoting igneous rocks that are rich in magnesium and iron, typically dark in color.

  2. 2.

    Describing minerals that contain high proportions of heavier elements like iron and magnesium.

Related words

Antonyms: felsic
See also: basalt, felsic, igneous
Synonyms: ferromagnesian

Etymology

A blend of ma(gnesium) and f(errum) (Latin for iron), with the suffix -ic.