To submit to an active (mostly dangerous) substance like an allergen, ozone, nicotine, solvent, or to any other stress, in order to test the reaction, resistance, etc.
To make available to other parts of a program, or to other programs.
To abandon, especially an unwanted baby in the wilderness.
To reveal, uncover, make visible, bring to light, introduce (to).
To subject photographic film to light thereby recording an image.
To cover over errors or bad actions.
In various games, to defeat (an opponent) so that they fail to score, or to reach a certain point in the game; to skunk.
To paint over with a lime and water mixture so as to brighten up a wall or fence.
To make over (a person or character, a group, an event, etc) so that it is or seems more white, for example by applying makeup to a person, or by discounting the participation of people of color in an event and focusing on only white participation.
The most basic type of thickening agent, flour blended with water to make a paste.
A lime and water mixture for painting walls and fences bright white.
A complete victory or series of victories without suffering any losses; a clean sweep.
A campaign to paper over unfavorable elements.