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sub·par·al·lel | \ ˌsəb-ˈper-ə-ˌlel 
, -ˈpa-rə-, -ləl \
, -ˈpa-rə-, -ləl \variants:
or sub-parallel
Definition of subparallel
: nearly parallel : not quite parallel
… other faults in the area, most of which run parallel or subparallel to the San Andreas.— Linda Rowan
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Merriam-Webster unabridgedWords at Play
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Time Traveler for subparallel
The first known use of subparallel was in 1803
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