noun or·di·nate \ˈȯrd-nət, ˈȯr-də-nət, -ˌnāt\

Definition of ordinate

  1. :  the Cartesian coordinate obtained by measuring parallel to the y-axis — compare abscissa

Origin and Etymology of ordinate

New Latin (linea) ordinate (applicata), literally, line applied in an orderly manner

First Known Use: 1706

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