forming words, with the meanings:
two
bilingual
appearing or occurring every two
bimonthly
into two parts
bisect
twice; doubly; on both sides
biconvex
appearing or occurring twice in: compare semi-
biweekly
located between, involving, or affecting two (specified symmetrical parts)
binaural
di-1
biphenyl
acid salt
bicarbonate
[Middle English from Latin]