Obs. rare–1. [ad. L. type *complexātion-em, n. of action f. complexāre to encompass, embrace closely, clasp round. But in sense associated with complex adj.] Fact or condition of being complex; complication, complexity.
1705. Berkeley, Commpl.-bk., Wks. 1871, IV. 452. Complexation of ideas twofold. This refers to colours being complex ideas.
