The period of time between the end of one video field and the beginning of the next. During this time, the electron beam in a camera, monitor, or projector is turned off (blanked) while it returns from the bottom of the screen to the top. The portion of the video signal that represents this time period may also be called the vertical interval.

Time interval during which vertical blanking is applied. E. g. , in 625 line systems the Vertical Blanking width is 25 lines plus Horizontal Blanking Interval. Synonyms: Field Blank; Vertical Blank

The portion of the video signal that occurs between the end of one field and the beginning of the next. During this time, the electron beams in the monitors are turned off (invisible) so that they can return from the bottom of the screen to the top to begin another scan.

The length of time required to complete one vertical retrace

The time of vertical retrace.

The time it takes for vertical retrace.