: 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

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of nonplanar was in 1868

Browse Nearby Words

Cite this Entry

“Nonplanar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonplanar. Accessed 30 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster