Word.ws English Dictionary

PSA

PSA is the initialism of polysialic acid.

PSA is the initialism of prostate-specific antigen.

PSA is the initialism of pressure-sensitive adhesive.

PSA is the initialism of pressure swing adsorption.

PSA is the initialism of public safety announcement.

PSA is the initialism of public service announcement.

Meaning of polysialic acid

Noun

polysialic acid (uncountable)

  1. A polymeric form of sialic acid that is involved in cell adhesion

Meaning of prostate-specific antigen

Noun

prostate-specific antigen (plural prostate-specific antigens)

  1. A glycoprotein enzyme secreted by the epithelial cells of the prostate gland and becoming part of the ejaculate; used in the diagnosis of prostate cancer.
    • In 2012, the US Preventive Services Task Force recommended against screening all men for prostate cancer using a prostate-specific antigen blood test, concluding the benefits did not outweigh the risks.2023 May 17, Jamie Smyth, “Quick blood tests to spot cancer: will they help or harm patients?”, in Financial Times
    Synonyms:
    PSA

Noun capitalized: PsA

PsA (uncountable)

  1. (abbreviation) Abbreviation of psoriatic arthritis.

Synonyms of PSA

Forms of PSA

pluralPSAs

Origin of PSA

English initialisms.

From French PSA, initialism of Peugeot S.A. (société anonyme (“public limited company”)).

Questions about PSA

What is PSA the initialism of?
PSA is the initialism of polysialic acid.
What part of speech is PSA?
PSA is a noun.
What is the plural of PSA?
The plural of PSA is PSAs.

Words near PSA in the dictionary

  1. PS3s
  2. PS4
  3. PS4s
  4. PS5
  5. PS5s
  6. PSA
  7. Psa.
  8. PSAC
  9. psak
  10. Psaki
  11. Psakis

Source and license

Adapted from Wiktionary: PSA (page history and authors); PsA (page history and authors); polysialic acid (page history and authors); prostate-specific antigen (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “PSA.” Word.ws, https://word.ws/psa. Based on Wiktionary, CC BY-SA 4.0.