| 释义 |
screening
noun
(-s)
1. : the act or action of one that screens: as
a. : the work of a screener
b. : a showing of a motion picture
< requested a screening of his picture — A.D.Roe >
c. : the act of examining in order to make a separation into different groups
< sends newly offered finishes through his laboratory for a thorough screening — R.E.Ellsworth >
2. screenings plural but singular or plural in construction
a. : material that has been passed through a screen: as
(1) : the small imperfect grains, weed seeds, and other foreign material having feeding value that are separated in cleaning grain by a screen
(2) : fine coal separated from the larger lumps by a screen having holes usually from slightly more than 1/2 inch to two inches in diameter — compare slack
b. : material retained by a screen: as
(1) : the coarse material retained by a screen in the treatment of wood pulp or paper stock
(2) : the material removed from sewage by a screen
c. : a coarse wrapping paper made from pulp screenings
3. : a process of stripping a halftone tint film on a transparent area of another negative
4. : screen cloth |