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Derived for the alternate name for inverse trigonometric functions (arcsin, arccos, arctan), an Arclist is a sub-playlist comprised of the songs that you put on your playlist and skipped through.

Usually, a playlist is made, certain songs are listened to, others are not, usually over time, the songs that were not listened to switch places with the ones that are listened to. Hence, Arclist (inverse playlist)
Dude! You know that Red Hot Chili Peppers playlist I made? I'm listening to the arclist lately! It's so much better!
by IMADEADEFINITION October 27, 2011
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