What [color=#980000][b]vocabulary term's definition[/b][/color] is dynamically being illustrated in the applet below? [br](Feel free to move the [b]gray points[/b] anywhere you'd like.)
[color=#000000][b]Definition of a [/b][/color][b][color=#980000]midpoint:[/color][/b][br]A [color=#980000][b]midpoint[/b][/color] of a segment is a [color=#980000][b]point[/b][/color] that cuts the segment into [b]2 congruent segments[/b].