stacking
n.— «The first two images in the sequence show gradual enhancements in the surface detail of Phobos, made possible through a combination technique known as “stacking.” This procedure uses a mathematical process known as “Laplacian sharpening” to reinforce features that appear consistently in repetitive images and minimize features that show up only intermittently.» —“Spirit Rover Captures Animation of Martian Moons” by Leonard David Space.com Sept. 10, 2005. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...