Definitions for "Dyad"
Two units treated as one; a couple; a pair.
An element, atom, or radical having a valence or combining power of two.
Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence.
Keywords:  tensors, rank, component, product, one
a tensor such as a i b j , product component-by-component of Rank one tensors
a one-on-one interaction with another participant