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non·pla·nar | \ ˌnän-ˈplā-nər 
, -ˌnär \
, -ˌnär \Definition of nonplanar
: not planar : not lying or able to be confined within a single plane : having a three-dimensional quality
…there is no way of redrawing this circuit so that none of the elements cross. This, therefore, is an example of a nonplanar circuit.— Leonard S. Bobrow
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Time Traveler for nonplanar
The first known use of nonplanar was in 1868
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