Definition of ordinate in US English:

ordinate

noun

Mathematics
  • (in a system of coordinates) the y-coordinate, representing the distance from a point to the horizontal or x-axis measured parallel to the vertical or y-axis.

    • ‘The ordinate represents yearly expenditures on a constant dollar basis.’
    • ‘Note that in C and D the abscissa and ordinate are swapped for presentation.’
    • ‘The ordinate indicates additive effects on each trait estimated by interval mapping.’
    • ‘The negative and positive signs on the ordinate mean, respectively, underestimation and overestimation of the expected values.’
    • ‘Time in minutes is plotted along the abscissa and the cumulative number of responses is plotted on the ordinate.’

Origin

Late 17th century: from Latin linea ordinata applicata ‘line applied parallel’, from ordinare ‘put in order’.

Pronunciation

ordinate

/ˈôrd(ə)nət//ˈɔrd(ə)nət/