zéro[Français]

adjectif satellite
1 : indicating an initial point or origin
2 : lacking any legal or binding force; "null and void"
verbe
1 : adjust (as by firing under test conditions) the zero of (a gun)
2 : adjust (an instrument or device) to zero value
nom
1 : the point on a scale from which positive or negative numerical quantities can be measured
adjectif
1 : of or relating to the null set (a set with no members)