EnglishEdit

 
English Wikipedia has an article on:
Wikipedia

EtymologyEdit

Blend of magnesium +‎ ferric.

PronunciationEdit

AdjectiveEdit

mafic (comparative more mafic, superlative most mafic)

  1. (geology) Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.
    Synonyms: ferromagnesic, basic
    Antonyms: felsic, acidic
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 60:
      As a whole, rocks of this type are referred to as mafic, because of the importance of magnesium and iron in their composition.

Derived termsEdit

TranslationsEdit

NounEdit

mafic (plural mafics)

  1. A rock with such properties.