Y-axis

The vertical axis in a chart. It displays the range of values possible for the dependent variable to take.
Found on http://www.bized.co.uk/cgi-bin/glossarydb/browse.pl?glosid=1345

y-axis

Conventionally, the axis perpendicular to and in the horizontal plane through the x-axis of any type of graph.
Found on http://www.windmill.co.uk/glossary.html

y-axis

[n] - the vertical axis in a plane coordinate system
Found on http://www.webdictionary.co.uk/definition.php?query=y-axis

Y-Axis

The front-to-back movement of the engraving spindle.
Found on http://www.britishprint.com/tw/glossary.asp?action=disp_lett&letter=s_a&pag

Y-Axis

Referred to as Y-Axis andÂ Y Axis; An imaginary line passing top-to-bottom through the center of the plan view. The left-right direction on the diagram sheet is when it is held in the position to read the text. This imaginary line is used for referance point in both 2D and 3D drawings/drafting.

Y-axis

See x-axis.
Found on http://www.komprex.com/Glossary/index.htm

y-axis

The vertical number line on a coordinate plane
Example:

Found on http://www.hbschool.com/glossary/math2/index6.html

Y-axis

A cephalometric indicator of the vertical and horizontal coordinates of mandibular growth expressed in degrees of the inferior facial angle formed by the intersection of the sella-gnathion plane with the Frankfort horizontal plane. ... (05 Mar 2000) ...
Found on http://www.mondofacto.com/facts/dictionary?Y-axis

y-axis

noun the vertical axis in a plane coordinate system
Found on http://wordnet.princeton.edu/perl/webwn?s=y-axis

Y-axis

Type: Term Definitions: 1. a cephalometric indicator of the vertical and horizontal coordinates of mandibular growth expressed in degrees of the inferior facial angle formed by the intersection of the sella-gnathion plane with the Frankfort horizontal plane.
Found on http://www.medilexicon.com/medicaldictionary.php?t=8986

y-axis

The vertical axis of a two-dimensional plot in Cartesian coordinates.
Found on http://www.daviddarling.info/encyclopedia/Y/y-axis.html

Y-axis

(DOD) A vertical axis in a system of rectangular coordinates; that line on which distances above and below (north or south) the reference line are marked, especially on a map, chart, or graph.