WordWeb Online

1. The 26th letter of the Roman alphabet
   "the British call Z zed and the Scots call it ezed but Americans call it zee";
   - Z, zee [N. Amer], zed [Brit, Cdn], ezed, izzard

1. The ending of a series or sequence
   "the Alpha and the Z, the first and the last, the beginning and the end";
   - omega
    
2. (physics) a short-lived neutral elementary particle that mediates the weak force
   - Z boson

Derived forms: Zs, zs

Type of: alphabetic character, conclusion, ending, finish, gauge boson, letter, letter of the alphabet

Part of: Latin alphabet, Roman alphabet

Encyclopedia: Z,Z-FPP synthase