cleaning — the act of removing dirt or something undesirable
greening — a color intermediate in the spectrum between yellow and blue, an effect of light with a wavelength between 500 and 570 nm; found in nature as the color of most grasses and leaves while growing, of some fruits while ripening, and of the sea.
leaning — the act or state of leaning; inclination: The tower has a pronounced lean.
meaning — what is intended to be, or actually is, expressed or indicated; signification; import: the three meanings of a word.
preening — (of animals, especially birds) to trim or dress (feathers, fur, etc.) with the beak or tongue: The peacock preened itself on the lawn.
screening — a movable or fixed device, usually consisting of a covered frame, that provides shelter, serves as a partition, etc.
