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co·pro·cess·ing | \ (ˌ)kō-ˈprä-se-siŋ 
, -ˈprō- \
, -ˈprō- \variants:
or co-processing
Definition of coprocessing
: the act of processing something with or at the same time as something else
Coprocessing of tires with coal produces liquid synthetic crude oil, taking advantage of the high hydrogen content in the tires.— Joseph Haggin
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Time Traveler for coprocessing
The first known use of coprocessing was in 1977
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