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pentropy (pen-tro-pee) n. The tendency for the ballpoint pens at rest to suddenly and surreptitiously take flight or disappear, until none remain. (Once thought to be the result of filching co-workers, now believed attributable to the inexorable contraction of the universe.) pentropic (pen-tro-pik) adj. Having the property of pentropy. The origin of the word is attributed to St. Louis theater publicist and blogger Brad Graham, who is also credited with the term "Blogosphere"
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