Main definitions of Z in English

: Z1Z2

Z1

(also z)

noun

  • 1The twenty-sixth letter of the alphabet.

    1. 1.1Denoting the next after Y in a set of items, categories, etc.
    2. 1.2Denoting 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. 1.3The third unknown quantity in an algebraic expression.
    4. 1.4Denoting 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 Z-shaped crack in the paving stone’
  • 3Used in repeated form to represent the sound of buzzing or snoring.

    ‘this weather has sucked all the energy out of me … zzzz’

Pronunciation:

Z

/US ziː/

Main definitions of Z in English

: Z1Z2

Z2

  • Zambia (international vehicle registration).

Chemistry
  • Atomic number.

Pronunciation:

Z

/zɛd/