PSP

English

Noun

PSP (countable and uncountable, plural PSPs)

1. (biochemistry, organic chemistry) Initialism of phenolsulfonphthalein.

   Coordinate terms: PS1, PS2, PS3, PSX

2. (computing) Initialism of Program Segment Prefix.
3. (physiology) Initialism of postsynaptic potential.
4. (pathology) Initialism of progressive supranuclear palsy.

   Coordinate terms: CBD, MSA

5. (online retail) Initialism of pre-shipment photo.
   • 2023 May 4, Amy X. Wang, Grant Cornett, “Inside the Delirious Rise of ‘Superfake’ Handbags”, in The New York Times Magazine‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 2 January 2026:

     The seller reassured me that I’d have the chance to “QC” (quality-check) the “PSPs” (pre-shipment photos).

6. (software engineering) Initialism of personal software process.
7. (toxicology, neurology) Initialism of paralytic shellfish poisoning.

Proper noun

PSP

1. (software) Initialism of PaintShop Pro.
2. (Pakistan, law enforcement) Abbreviation of Police Service of Pakistan.
3. (Singaporean politics) Initialism of Progress Singapore Party.
4. Initialism of President's Surveillance Program.
5. (video games) Initialism of PlayStation Portable.
6. (Organizations) Initialism of Purdue Space Program.

Anagrams

• PPS, PPs, SPP, p.p.s., pps

Indonesian

Noun

PSP

1. (finance) initialism of pemegang saham pengendali (“controlling stakeholder”)

Portuguese

Noun

PSP m (uncountable)

1. (Brazil) abbreviation of Partido Social Progressista

Noun

PSP f (uncountable)

1. (Portugal) abbreviation of Polícia de Segurança Pública

Further reading

• Partido Social Progressista on the Portuguese Wikipedia.Wikipedia ^pt
• Polícia de Segurança Pública on the Portuguese Wikipedia.Wikipedia ^pt

Slovak

Proper noun

PSP n pl

1. initialism of Pravidlá slovenského pravopisu (“Rules of Slovak Orthography”), published regularly by Slovak Academy of Sciences. The PSP is the official handbook of proper Slovak spelling, as well as the rules of Slovak grammar