Z0

Z0, Z0 or Z0 may refer to: Characteristic impedance, a ratio used in electronics Impedance of free space, a physical constant Z boson, an elementary particle that mediates the weak force a rare rail transport modelling scale Roughness length, a factor used in wind speed calculations Z0 sex-determination system in some moth species, also referring to biological females under this system

==See also== 0Z (disambiguation)