acidity

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acidity

  • /əˈsɪd.ɪ.ti/
  • [-ɾi]

Where it comes from

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

noun acidities

  1. countable, uncountable The quality or state of being acid.
  2. countable, uncountable Sourness; tartness; sharpness to the taste. the acidity of lemon juice
  3. countable, uncountable Excessive acid quality, as in gastric secretions.
  4. countable, figuratively, uncountable A caustic, sour, biting, or bitter quality. "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.

Opposite: alkalinity, basicity

Thesaurus

Closest in meaning: acidulousness, sour, sourness, acidification, alkalinity, acidic, titratable, heart, acid, acidness, tang, tanginess, tartness, causticity, corrosiveness, bite

noun

Opposite: alkalinity, basicity

Translations

Every language

noun quality of sourness to the taste

हिन्दीअम्लिमा amlimā
Italianoacidità
العربيةحُمُوضَة ḥumūḍa
עבריתחמיצות khamitsút

noun quality or state of being acid

Españolacidez
日本語酸性度 sansei-do, 酸度 san-do
中文酸性 suānxìng, 酸度 suāndù
हिन्दीअम्लिमा amlimā
Portuguêsacidez
Françaisacidité
DeutschAcidität, Azidität
Italianoacidità
Русскийкисло́тность kislótnostʹ
עבריתחומציות khumtsiút

noun pathology: excessive acid quality

Italianoacidità

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Cite this
MLA

"acidity." Wiktionary, via Micwyn, micwyn.com/word/acidity. Accessed 6 Nov. 2026.

APA

acidity. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/acidity

Chicago

"acidity." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/acidity.

BibTeX
@misc{acidity_2026,
  title = {acidity},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/acidity},
  urldate = {2026-11-06}
}