Z, zzi; esp. Brit. zɛd; Archaic ˈɪz ərd(n.)(pl.)Zs; Z's, zs; z's.

1. the 26th letter of the English alphabet, a consonant.

2. any spoken sound represented by this letter.

3. something shaped like aZ.

4. a written or printed representation of the letter Z or

   z.

Z^*

1. the 26th in order or in a series.

2. atomic number.

   Category: Chemistry, Physics

^* Symbol..

z

1. zone.

z^*

1. an unknown quantity or a variable.

^* Math. Symbol..

z.

1. zero.

   Category: Math