different between acidic vs mafic

English

Etymology

acid +? -ic. Doublet of acidy.

Pronunciation

• (US) IPA^(key): /??s?d?k/, enPR: ?s?d??k
• Hyphenation: a?cid?ic

Adjective

acidic (comparative more acidic, superlative most acidic)

1. (chemistry) Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
2. (mineralogy) Containing a high percentage of silica; opposed to basic.
3. Of or relating to acid; having the character of an acid.

   an acidic solution

Synonyms

• acid

Antonyms

• (having pH less than 7): basic

Translations

References

• acidic in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Interlingua

Adjective

acidic (not comparable)

1. acidic, acid

Related terms

• acido

English

Etymology

Blend of magnesium +? ferric.

Pronunciation

• (UK) IPA^(key): /?maf?k/
• (US) IPA^(key): /?me?f?k/, /?mæf?k/

Adjective

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 terms

• ultramafic

Translations

Noun

mafic (plural mafics)

1. A rock with such properties.