pull-down

A dynamic menu; a list of options in a computer application which appears below a heading when it is selected, and remains only as long as the user needs it.

A technique by which a protein is brought down in a test tube by another.

The conversion of video footage to a higher frame rate by duplicating certain frames.

When a TV monitor is in shot, and the film is transferred to video through the normal 2:3 pulldown there will be a strobing effect where the film and video frame rates clash.

Dodder (plant of genus Cuscuta).

A trick done with rings where each ring is pulled down over the head instead of being caught and held in the hand.

Another classic trick with rings is the 'pull-down'. This can only be done with rings that fit easily over your head.

2004, Luke Holman, Hardest, most tech trick on the net, May 12 2004 via Google Groups For example, the 11 ring pulldown didn't stick in my head because I don't really juggle rings, and I have no conception of how hard it is.

That can be pulled down (lowered).

The new seating in the second-class open coach; note the newspaper racks and the pull-down tables on the seat-backs.