Word.ws English Dictionary

PSO

PSO is the initialism of public safety officer.

PSO is the initialism of protective services officer.

PSO is the initialism of penalty shootout.

PSO is the initialism of protostellar object.

PSO is the abbreviation of psoriasis.

PSO is the initialism of pipeline state object.

Meaning of penalty shootout

Noun

penalty shootout (plural penalty shootouts)

  1. (field hockey) A series of penalties (penalty kicks in soccer), taken to decide a winner after a game has resulted in a tie and extra time has been played.
    • This was an eighth game without defeat, penalty shootouts aside, over Hodgson's brief tenure but, by the end, this whole occasion had been stripped of any competitive nature.2012 September 7, Dominic Fifield, “England start World Cup campaign with five-goal romp against Moldova”, in The Guardian

Meaning of psoriasis

Noun

psoriasis (countable and uncountable, plural psoriases)

  1. A noncontagious disease whose main symptom is gray or silvery flaky patches on the skin which are red and inflamed underneath when scratched.
    • He suffers from a skin complaint, psoriasis, which has rendered his hands scaly, hard and red.2016, Ian McEwan, Nutshell, Vintage, page 11
    Synonyms:
    lepra

Noun capitalized: PsO

PsO (countable and uncountable, plural PsOs)

  1. (abbreviation) Abbreviation of psoriasis.

Forms of PSO

pluralPSOs
pluralPsOs

Origin of PSO

The spelling was probably influenced by PsA (“psoriatic arthritis”).

Questions about PSO

What is PSO the initialism of?
PSO is the initialism of public safety officer.
What part of speech is PSO?
PSO is a noun.
What is the plural of PSO?
The plural of PSO is PSOs.

Words near PSO in the dictionary

  1. PSNI
  2. PSNR
  3. PSNRs
  4. PSNS
  5. PSNSs
  6. PSO
  7. psoae
  8. psoai
  9. psoas
  10. psoas major
  11. psoas minor

Source and license

Adapted from Wiktionary: PSO (page history and authors); PsO (page history and authors); penalty shootout (page history and authors); psoriasis (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: “PSO.” Word.ws, https://word.ws/pso. Based on Wiktionary, CC BY-SA 4.0.