The Collaborative International Dictionary
Biplicity
Biplicity \Bi*plic"i*ty\, n.
The state of being twice folded; reduplication. [R.]
--Bailey.
Douglas Harper's Etymology Dictionary
biplicity
1731; see bi- + ending from multiplicity. A useful and non-pejorative alternative to duplicity.\n
Wiktionary
biplicity
n. The state of being twice folded; reduplication.