Z-boson

Etymology
. The use of Z was not explained but may stand for.

Noun

 * 1)  a fundamental particle, a gauge boson, that, together with the W-boson, mediates the weak nuclear force; it has a charge of 0

Translations

 * Finnish: Z-bosoni
 * French:
 * Russian: Z-бозон
 * Swedish: Z-boson