acidity

English

Etymology

From French acidité, from Latin aciditātem, accusative singular of aciditās (“sourness, acidity”), from acidus (“sour, acid”). Equivalent to acid +‎ -ity.

Pronunciation

• IPA^(key): /əˈsɪd.ɪ.ti/, (t-flapping) [-ɾi]

  • Audio (Southern England):

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• Audio (Southern England):

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Noun

acidity (countable and uncountable, plural acidities)

1. The quality or state of being acid.
2. Sourness; tartness; sharpness to the taste.

   the acidity of lemon juice

   Empty stomachs lead to acidity and leave a sour taste in the mouth.

3. (pathology) Excessive acid quality, as in gastric secretions.
4. (figurative) A caustic, sour, biting, or bitter quality.
   • 1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

     "What shall we call it?" he asked. "Why should you not take the chance of perpetuating your own name?" said Summerlee, with his usual touch of acidity.

   • 1913, Arthur Conan Doyle, “The Time of Death”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC, page 60:

     It was a brave, good speech, a speech from that staunch and strong spirit which lay behind all the acidities and angularities of the old zoologist.

Antonyms

• alkalinity
• basicity

Derived terms

• acidity function
• acidity regulator
• anacidity
• Hammett acidity function
• hyperacidity
• hypoacidity
• nonacidity
• subacidity
• superacidity

Translations

quality or state of being acid

• Azerbaijani: turşuluq
• Belarusian: кісло́тнасць f (kislótnascʹ)
• Bulgarian: киселинност (kiselinnost)
• Catalan: acidesa (ca) f
• Chinese:

  Mandarin: 酸性 (zh) (suānxìng), 酸度 (zh) (suāndù)

• Czech: kyselost f, acidita (cs) f
• Dutch: zuurgraad (nl) m, aciditeit (nl) m
• Finnish: happamuus (fi)
• French: acidité (fr) f
• German: Acidität (de) f, Azidität (de) f
• Hebrew: חומציות / חֻמְצִיּוּת f (khumtsiyút)
• Hindi: अम्लिमा (hi) f (amlimā)
• Hungarian: savasság (hu)
• Icelandic: sýrustig (is) n
• Indonesian: keasaman / tingkat keasaman
• Interlingua: aciditate
• Irish: aigéadacht f
• Italian: acidità (it)
• Japanese: 酸性度 (さんせいど, sansei-do), 酸度 (ja) (さんど, san-do)
• Kazakh: қышқылдылық (qıšqıldılıq)
• Khmer: អាស៊ីត (aazii tɑɑ)
• Kyrgyz: кычкылдуулук (kıckılduuluk)
• Maltese: qrusa f
• Odia: ଅମ୍ଳତ୍ବ (amḷatba)
• Pannonian Rusyn: квашносц f (kvašnosc)
• Polish: kwasowość (pl) f
• Portuguese: acidez (pt) f
• Russian: кисло́тность (ru) f (kislótnostʹ)
• Serbo-Croatian:

  Cyrillic: киселост f

  Latin: kiselost (sh) f

• Spanish: acidez (es) f
• Swedish: surhet (sv) c
• Tibetan: སྐྱུར་གཤིས (skyur gshis)
• Turkish: asidiklik, ekşilik (tr)

  Ottoman Turkish: اكشیلك (ekşilik)

• Ukrainian: кислотність (uk) f (kyslotnistʹ)
• Urdu: تیزابِیَت f (tezābiyat)

quality of sourness to the taste

• Arabic: حُمُوضَة f (ḥumūḍa)
• Dutch: zuurheid (nl) f
• Finnish: hapokkuus (fi), happamuus (fi)
• Georgian: სიმჟავე (simžave)
• Hebrew: חֲמִיצוּת f (khamitsút)
• Hindi: अम्लिमा (hi) f (amlimā)
• Irish: aigéadacht f
• Italian: acidità (it)
• Maltese: qrusa f
• Pannonian Rusyn: квашносц f (kvašnosc)
• Persian: ترشی (fa) (torši)
• Serbo-Croatian:

  Cyrillic: киселост f

  Latin: kiselost (sh) f

• Swedish: surhet (sv) c
• Turkish: asidite, ekşilik (tr)

  Ottoman Turkish: اكشیلك (ekşilik)

pathology: excessive acid quality

• Finnish: liikahappoisuus
• Irish: aigéadacht f
• Italian: acidità (it)
• Turkish: ekşilik (tr)
• Urdu: تیزابِیَت f (tezābiyat)

Anagrams

• adicity