acidic

English

Etymology

From acid +‎ -ic. Doublet of acidy.

Pronunciation

• (Received Pronunciation, General American, Canada, Australia) IPA^(key): /əˈsɪd.ɪk/, enPR: əsĭdʹĭk

  • Audio (Southern England):

    (file)

• Hyphenation: a‧cid‧ic

Adjective

acidic (comparative more acidic, superlative most acidic)

1. Of or relating to acid; having the character of an acid.

   Synonym: acid

   an acidic solution

2. (physical chemistry) Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.

   Antonym: basic

   • 2015, Ramesh Gampat, Guyana: from Slavery to the Present, volume 2:

     The swampland is an extensive pegasse swamp, which is rich in organic matter and intensely acidic.

   • 2015 February 25, Kevin McElvaney, “Inside Indonesia's Ijen Volcano”, in The Atlantic‎^[1], archived from the original on 6 March 2016:

     Local workers hike up the side of the mountain and down into the crater at the top to harvest its sulfur—a byproduct of the gas that escapes from the volcano’s vents and collects near the shores of an acidic lake at the crater’s center. The chemical is used in industry worldwide, from making matchsticks to vulcanizing rubber, but Ijen’s sulfur goes mostly to local factories, which use it to bleach sugar.

3. (geology) Containing a high percentage of silica-bearing minerals.

   Antonym: basic

Derived terms

• acidically
• aminoacidic
• anacidic
• diacidic
• glial fibrillary acidic protein
• hyperacidic
• hypoacidic
• monoacidic
• nonacidic
• overacidic
• peracidic
• polyacidic
• subacidic
• thermoacidic
• triacidic
• unacidic

Translations

of or relating to acid

• Asturian: ácidu (ast)
• Belarusian: кі́слы m (kísly)
• Catalan: àcid (ca)
• Esperanto: acida (eo)
• Finnish: hapan (fi)
• French: acide (fr)
• Galician: ácido (gl)
• Greek: όξινος (el) (óxinos)
• Hungarian: savas (hu)
• Irish: aigéadach
• K'iche': uch'amil
• Norwegian: syrlig (no)
• Old English: āfor
• Portuguese: ácido (pt)
• Romanian: acid (ro)
• Russian: кисло́тный (ru) (kislótnyj), ки́слый (ru) (kíslyj)
• Serbo-Croatian: kisèlīnskī (sh)
• Spanish: ácido (es)
• Swedish: syra-, syrlig (sv)
• Turkish: asidik (tr)
• Ukrainian: кисло́тний (uk) (kyslótnyj)

chemistry: having pH less than 7

• Asturian: ácidu (ast)
• Belarusian: кі́слы m (kísly)
• Catalan: àcid (ca)
• Finnish: hapan (fi)
• French: acide (fr)
• Galician: ácido (gl)
• German: sauer (de)
• Greek: όξινος (el) (óxinos)
• Hebrew: חֻמְצִי (ẖumtzí)
• Hungarian: savas (hu)
• Indonesian: asam (id)
• Irish: aigéadach
• Italian: acido (it)
• Malayalam: അമ്ല (ml) (amla)
• Old English: āfor
• Polish: kwasowy (pl)
• Portuguese: ácido (pt)
• Romanian: acid (ro)
• Russian: кисло́тный (ru) (kislótnyj), ки́слый (ru) (kíslyj)
• Serbo-Croatian: kȉseo (sh)
• Spanish: ácido (es)
• Swedish: sur (sv), syrlig (sv)
• Tagalog: malala
• Turkish: asidik (tr)
• Ukrainian: кисло́тний (uk) (kyslótnyj), ки́слий (uk) (kýslyj)

petrology: containing a high percentage of silica-bearing minerals

• Catalan: àcid (ca)
• Finnish: hapan (fi)
• French: ^{(please verify)} acide (fr)
• Irish: aigéadach
• Romanian: acid (ro)
• Serbo-Croatian: kȉseo (sh)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• German: ^{(please verify)} säurehaltig (de)
• Guarani:

  Paraguayan Guarani: ^{(please verify)} ái (t-)

• Interlingua: ^{(please verify)} acide
• Japanese: ^{(please verify)} 酸性 (ja) (さんせい, sansei)

References

• “acidic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Interlingua

Adjective

acidic (not comparable)

1. acidic

Related terms

• acido