mafic

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Blend of magnesium +‎ ferric.

Pronunciation[edit]

  • (UK) IPA(key): /ˈmafɪk/
  • (US) IPA(key): /ˈmeɪfɪk/, /ˈmæfɪk/
  • (file)

Adjective[edit]

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, published 2011, page 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 terms[edit]

Translations[edit]

Noun[edit]

mafic (plural mafics)

  1. A rock with such properties.