plabic en · ADJ
Etymology
Blend of planar + bicoloured.
Meanings
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(not-comparable) planar and bicoloured
Of course, as illustrated in the example above, merely reordering the face variables of a fixed plabic graph by an odd permutation will change the orientation of the resulting volume-form.
2016, Nima Arkani-Hamed, Grassmannian Geometry of Scattering Amplitudes, page 116: