stop up en · VERB
Meanings
-
To fill a hole or cavity, or block (an opening or passage), as with a plug.
So then we […] scratched around and found an old tin washpan, and stopped up the holes as well as we could.
1885, Mark Twain, chapter 37, in Huckleberry Finn:
- (UK) To permanently close or block (a road or path); to legally extinguish a right of way.
-
To increase the aperture of a photographic lens, moving from an f/stop represented by a higher number to an f/stop represented by a lower number and causing more light to pass into the camera.
To stop down means to narrow the aperture; to stop up or open up means to expand it.
2002, Kathleen Tracy, The Complete Idiot's Guide to Portrait Photography, →ISBN, page 18:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| stops up | Number=Sing, Person=3, Tense=Pres | lexicographic | |
| stopped up | Tense=Past, VerbForm=Part | lexicographic | |
| stopped up | Tense=Past | lexicographic | |
| stopping up | Tense=Pres, VerbForm=Part | lexicographic |
Antonyms
stop down (antonym(s) of “increase the aperture of a photographic lens”)
Coordinates
close off · stop off · plug up · block off
Translations (3)
la obtūrō (to fill a hole or block an opening or passage) · eo ŝtopi (to fill a hole or block an opening or passage) · bg запушвам (to fill a hole or block an opening or passage)