Definition of y-axis in US English: y-axis
noun The secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.
Example sentences
‘Start to draw the slope at the left-hand vertical line of grid, which is the y-axis.’ ‘The fitted lines are for the regression of the square root of the y-axis variable on log shoot dry weight.’ ‘For graphical purposes, the cubic function in (a) is not extended below the y-axis.’ ‘The Y-axis shows the frequency of a prevalent mutation for each of the lines.’ ‘Note the differences in the scale of the y-axis.’ ‘The Y-axis of the graph counts up the density of the molecules, in number of molecules per cubic centimeter of atmosphere.’ ‘The y-axis on each part is square root of HDL cholesterol centered on the cross-specific mean.’ ‘Meeting spaces around the building are plotted along the y-axis, session times along the x.’ ‘The more energy available, the higher up the Y-axis the profile is on the graph.’ ‘For graphical purposes, a log scale is used for the y-axis.’ ‘The y-axis indicates the number of individuals within each category of average tail moment.’ ‘The y-axis shows the relative increase in the sex comb teeth associated with the double mutants.’ ‘The y-axis indicates the number of markers corresponding to each distance class.’ ‘Lines represent regressions of linear portion of each curve extrapolated to the y-axis.’ ‘The x-axis shows the population in millions whilst the y-axis shows different age ranges.’ ‘All data sets have nonzero intercepts of the regression lines with the y-axis.’ ‘Consecutive locations outlining an ' impact corridor ' are linked along the y-axis.’ ‘Significant differences are for the photosynthetic rates on the y-axis.’ ‘Note variation in the scale of the y-axis among plots.’ ‘The y-axis is the fraction of sequences falling into a particular bin.’