z

¹

abbreviation for

1. zone.

Z

²

or z

[ zeeor, especially British, zed; Archaic iz-erd ]

noun

, plural Z's or Zs, z's or zs.

1. the 26th letter of the English alphabet, a consonant.
2. any spoken sound represented by the letter Z or z, as in zero, zigzag, or buzzer.
3. something having the shape of a Z .
4. a written or printed representation of the letter Z or z.
5. a device, as a printer's type, for reproducing the letter Z or z.

z

³

Symbol, Mathematics.

1. an unknown quantity or variable.
2. (in Cartesian coordinates) the z- axis.

Z

⁴

abbreviation for

1. Astronomy. zenith distance ( def ).
2. zone.

Z

⁵

Symbol.

1. the 26th in order or in a series.
2. (sometimes lowercase) the medieval Roman numeral for 2000. Compare Roman numerals.
3. Chemistry, Physics. atomic number ( def ).
4. Electricity. impedance ( def 1 ).

z.

⁶

abbreviation for

1. zero.

Z

¹

symbol for

1. any unknown, variable, or unspecified factor, number, person, or thing
2. chem atomic number
3. physics impedance
4. zone
5. currency zaïre

abbreviation for

1. Zambia (international car registration)

z

²

/ ziː; zɛd /

noun

1. the 26th and last letter and the 20th consonant of the modern English alphabet
2. a speech sound represented by this letter, in English usually a voiced alveolar fricative, as in zip
3. 1. something shaped like a Z
   2. ( in combination )

      a Z-bend in a road

z

³

symbol for

1. the z- axis or a coordinate measured along the z- axis in a Cartesian or cylindrical coordinate system
2. an algebraic variable

Idioms and Phrases

see from soup to nuts (a to z) .