Either of two points marking the end of a line segment.
Chemistry The point in a titration at which no more titrant should be added. It is determined, for example, by a color change in an indicator or by the appearance of a precipitate.
Main Entry: end point Function: noun : a point marking the completion of a process or stage of a process: as a: a point in a titration at which adefinite effect is observed b: the greatest dilution (as of a virus or a vitamin) that will produce a specified effect in a biological system