Word.ws English Dictionary

p/a

p/a is the abbreviation of per annum.

Meaning of per annum

Prepositional phrase

  1. In a year.
    • Salt fish for dinner twice every week, or 104 times per annum, is abominable.1876 August 15, “Mr [Charles] Reade and the Glasgow Old Man’s Home”, in North British Daily Mail, number 9,186, Glasgow: Gunn & Cameron, →OCLC, page 2, column 4
  2. For a year.
    • Areas of no more than ten acres of crown land may be granted as bee-arms on annual licenses, the rent being one shilling an acre per annum.1918, International Review of Agricultural Economics, volume 9, page 917

Questions about p/a

What is p/a the abbreviation of?
P/a is the abbreviation of per annum.

Words near p/a in the dictionary

  1. P.U.
  2. P.U.C.
  3. p.w.
  4. P/2 orbit
  5. P/2 orbits
  6. p/a
  7. P/BV
  8. P/BVs
  9. p/d
  10. P/E ratio
  11. P/E ratios

Source and license

Adapted from Wiktionary: p/a (page history and authors); per annum (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.

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Cite this entry: “p/a.” Word.ws, https://word.ws/p%2Fa. Based on Wiktionary, CC BY-SA 4.0.