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supertask

American  
[soo-per-task, -tahsk] / ˈsu pərˌtæsk, -ˌtɑsk /

noun

Logic.
  1. a paradox resulting from the notion that a task requiring an infinite number of steps could be performed in a finite time by halving the duration of each step.


Etymology

Origin of supertask

First recorded in 1970–75; super- + task