z-axis

1. One of three axes in a three-dimensional cartesian coordinate system.

2. : the axis on a graph that is usually drawn as if vertical and usually shows the range of values of a variable dependent on two other variables.

3. The third axis in a 3-dimensional coordinate system.

4. One of the axes in a three-dimensional rectangular coordinate system.

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Here are some other words you could make with the letters z-axis

Top Words by points	Points	Word Game
zax	19	Scrabble

2 Letters	Scrabble® Points
ai	2
as	2
ax	9
is	2
si	2
xi	9
za	11

3 Letters	Scrabble® Points
ais	3
sax	10
six	10
xis	10
zas	12
zax	19

4 Letters	Scrabble® Points
axis	11