ternion

n.

三个一套，三合一，三人（事物或思想等）的组合；

Ternion
Ternion (Special Edition)
Mark Forsyth's Ternion Set
Ternion, pour entrer dans la transe de We Have Band
Amuletic Ternion
Is There a Moral Ternion of Heaven and Humankind?
On a certain three-web on the projective plane over the ternion algebra
Mark Forsyth Ternion Set, 3 Vols.
Primenenie kvaternionov v zadachakh orientatsii tverdogo tela.
...Snowflakes'' over the Smallest Ring of Ternions