Word.ws English Dictionary

Plural of acid

regular plural

The plural of acid is acids.

Forms of acid

Singularacid /ˈæsɪd/
Pluralacids /ˈæ.sɪdz/
Countablecountable and uncountable

Acids in a sentence

  • SE onset depends on a complex network of interactions among plant growth regulators, mainly auxins and cytokinins, during the proembryogenic early stages, and ethylene and gibberellic and abscisic acids later in the development of somatic embryos.2015 August 18, Clelia De-la-Peña et al., “The role of chromatin modifications in somatic embryogenesis in plants”, in Frontiers in Plant...
  • These microbes are primarily responsible for breaking down cellulose and other carbohydrates into volatile fatty acids (VFAs).From the entry carbohydrate
  • Vitamins, minerals, and essential fatty acids must come from either the diet or supplements.From the entry supplement
  • Nucleic acids are found in the nuclei of cells.From the entry nucleic
  • Decarboxylation of beta-keto acids is facile.From the entry facile

Meaning of acid

  1. adjective Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
  2. adjective Sour-tempered.
  3. adjective Of or pertaining to an acid; acidic.

Full definition of acid

Questions about the plural of acid

What is the plural of acid?
The plural of acid is acids.
Is acid countable?
Acid is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: acid (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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