pulldown

Noun

pull-down (countable and uncountable, plural pull-downs)

1. 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.
2. A technique by which a protein is brought down in a test tube by another.
3. 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.2013, David Mellor, Sound Person's Guide to Video, page 216
4. (uncountable, usually) Dodder (plant of genus Cuscuta).
5. 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.1994, Haggis McLeod, KNOW THE GAME - JUGGLING, →ISBN
6. An exercise mostly performed by pulling cables, a bar, or handles from a machine situated diagonally to the front top of the sportsman and targetting the rear muscles.

See all 7 meanings of pull-down