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Definition of Y-axis
1. Noun. The vertical axis in a plane coordinate system.
Generic synonyms: Coordinate Axis
Definition of Y-axis
1. Noun. (algebraic geometry) The axis on a graph that is usually drawn from bottom to top and usually shows the range of values of variable dependent on one other variable, or the second of two independent variables. ¹
¹ Source: wiktionary.com
Medical Definition of Y-axis
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. (05 Mar 2000)