nounplural noun Ps, plural noun P's

• 1The sixteenth letter of the alphabet.

  ‘Let’s have an ‘S’ for Speedy, and a ‘P’ for Polly, intertwined on the top of the cake, in red frosting.’

  More example sentences

  • ‘I have a P for Patricia and J for my name Joy.. so technically it's PJ!’
  • ‘One key to knowing which marketing programs to choose involves thoroughly understanding how to leverage the 4 Ps of marketing - price, product, promotion, and place - to reach and appeal to your target audience(s).’

  1. 1.1Denoting the next after O (or N if O is omitted) in a set of items, categories, etc.
     ‘Let P be the set of all finite subsets of N.’
     More example sentences

     • ‘Now for each r, let p be the next larger even integer.’

abbreviation

• 1(in tables of sports results) games played.

• 2(on an automatic gear shift) park.

• 3(on road signs and street plans) parking.

• 4in combination (in units of measurement) peta- (10¹⁵)

  More example sentences

  • ‘27 PBq of radioactive material’
• 5Physics
  Poise (unit of viscosity).

• 6Portugal (international vehicle registration).

• 7Proprietary.

• The chemical element phosphorus.

abbreviation

• 1Page.

  More example sentences

  • ‘see p 784’
• 2

  (also p-)

  Chemistry
  in combination Para-

  More example sentences

  • ‘p-xylene’
• 3British Penny or pence.

  More example sentences

  • ‘a 5p coin’
• 4Music
  Piano (softly).

• 5in combination (in units of measurement) pico- (10⁻¹²)

  More example sentences

  • ‘a 220 pf capacitor’
• 6Chemistry
  Denoting electrons and orbitals possessing one unit of angular momentum.

  More example sentences

  • ‘p-electrons’

  Origin

  From principal, originally applied to lines in atomic spectra.

• 1Physics
  Pressure.

  More example sentences

  • ‘pV = nRT’
• 2Statistics
  Probability.

  More example sentences

  • ‘this difference was significant (p = 0.0008)’