Main definitions of Z in English

: Z1Z2

Z1

(also z)

noun

  • 1The twenty-sixth letter of the alphabet.

    1. 1.1 Denoting the next after Y in a set of items, categories, etc.
    2. 1.2 Denoting a third unknown or unspecified person or thing.
      ‘X sold a car to Y (a car dealer) who in turn sold it to Z (a finance company)’
    3. 1.3usually "z" The third unknown quantity in an algebraic expression.
    4. 1.4usually "z" Denoting the third axis in a three-dimensional system of coordinates.
      in combination ‘the z-axis’
  • 2A shape like that of a capital Z.

    in combination ‘the same old Z-shaped crack in the paving stone’
  • 3Used in repeated form to represent the sound of buzzing or snoring.

    ‘I'm being overcome with weariness as I write … zzzzz, zzzzz’

Phrases

  • catch some (or a few) Zs

    • informal Get some sleep.

      ‘I'll go back to the hotel and catch some Zs’
      • ‘I was catching a few Zs on the lower bunk in our call room.’
      • ‘Why is it whenever I try to catch some Zs all I can hear is you two squawking?’
      relax, take a rest, ease off, ease up, let up, slow down, pause, have a break, take a break, unbend, repose, laze, idle, loaf, do nothing, take time off, slack off, unwind, recharge one's batteries, be at leisure, take it easy, sit back, sit down, stand down, lounge, luxuriate, loll, slump, flop, put one's feet up, lie down, go to bed, have a nap, take a nap, nap, catnap, doze, have a siesta, take a siesta, drowse, sleep
      View synonyms

Pronunciation

Z

/zēː/

Main definitions of Z in English

: Z1Z2

Z2

Chemistry
  • Atomic number.

Pronunciation

Z

/zēː/