scrubber
n.— «You could mouse over a map with deaths by province, or isolate incidents, like the second invasion of Fallujah. A time line with a movable “scrubber” let readers compress the scope of information.» —“The New Journalism: Goosing the Gray Lady” by Emily Nussbaum New York Magazine Jan. 11, 2009. (source: Double-Tongued Dictionary)
Further reading
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...
Generally speaking, the color that’s a blend of black and white is most often spelled gray in the U.S. and grey in the UK, although both spellings existed side by side for many years, and in fact, 18th-century British lexicographer Samuel...