acidity

English

Etymology

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

Pronunciation

(UK) IPA^(key): /əˈsɪdɪti/
Audio (RP) (file)

Noun

acidity (countable and uncountable, plural acidities)

The quality or state of being acid.
Sourness; tartness; sharpness to the taste.
the acidity of lemon juice
Empty stomachs lead to acidity and leave a sour taste in the mouth.
(pathology) Excessive acid quality, as in gastric secretions.
(figurative) A caustic, sour, biting, or bitter quality.
- 1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, OCLC 1029993343:
  "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, Sir Arthur Conan Doyle, The Poison Belt‎, 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

Hammett acidity function
acidity function
acidity regulator

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
Hindi: अम्लिमा (hi) f (amlimā)
Hungarian: savasság (hu)
Icelandic: sýrustig (is) n
Indonesian: keasaman / tingkat keasaman
Interlingua: aciditate
Irish: aigéadacht f
Japanese: 酸性度 (さんせいど, sansei-do), 酸度 (さんど, san-do)
Khmer: អាស៊ីត (aazii tɑɑ)
Kazakh: қышқылдылық (qyşqyldylyq)
Kyrgyz: кычкылдуулук (kıçkılduuluk)
Maltese: qrusa f
Oriya: ଅମ୍ଳତ୍ବ (ômḷôtbô)
Polish: kwasowość (pl) f
Portuguese: acidez (pt) f
Russian: кисло́тность (ru) f (kislótnostʹ)
Serbo-Croatian:
Cyrillic: киселост f
Roman: kiselost (sh) f
Spanish: acidez (es) f
Swedish: surhet (sv) c
Turkish: asidiklik
Ukrainian: кислотність (uk) f (kyslotnistʹ)

quality of sourness to the taste

Arabic: حُمُوضَة‎ f (ḥumūḍa)
Dutch: zuurheid (nl) f
Finnish: hapokkuus (fi), happamuus (fi)
Georgian: სიმჟავე (simžave)
Hindi: अम्लिमा (hi) f (amlimā)
Irish: aigéadacht f
Maltese: qrusa f
Serbo-Croatian:
Cyrillic: киселост f
Roman: kiselost (sh) f
Swedish: surhet (sv) c
Turkish: asidite

pathology: excessive acid quality

Finnish: liikahappoisuus
Irish: aigéadacht f

Anagrams

adicity