The vertical directional flow of an adhesive or the vertical directional flow of electricity through a conductive material or device.
Denoted the vertical axis of a picture; to move a picture in the Y axis is to move it up or down.
the axis that specifies height in the coordinate system. The second value in an x,y,z coordinate set represents a location in space relative to the Y axis.
the vertical scale on a bar chart that displays the range of values in a bar chart
One of the axes in a three dimensional system.
A two-dimensional coordinates system's vertical direction, perpendicular to the x axis. The y-y signifies one direction followed with a step AND repeat method.