shock
n.— «Remove debris from swimming pools, then add a chlorinator, either the 10 percent sodium hypochlorite solution sold in the familiar yellow jugs or the 65 percent calcium hypochlorite granules, commonly known as shock.» —“How To Deal With Flooding” Miami Herald (Florida) Aug. 25, 2005. (source: Double-Tongued Dictionary)
Further reading
Advice about college essays from the winner of a top prize for children’s literature: Kelly Barnhill encourages teens to write about experiences that are uniquely their own, from a point of view that is theirs and no one else’s. Plus, why do we say...
While compiling the Oxford English Dictionary, lexicographer James Murray exchanged hundreds of letters a week with authors, advisors, and volunteer researchers. A new collection online lets you eavesdrop on discussions about which words should be...