Meaning of Z in English

Z

1. Astron. zenith distance.

2. zone.

Symbol.

1. the 26th in order or in a series, or, when I is omitted, the 25th.

2. ( sometimes l.c. ) the medieval Roman numeral for 2000. Cf. Roman numerals .

3. Chem. , Physics. atomic number.

4. Elect. impedance.

Z 0

Symbol, Physics. See Z-zero particle .

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .