dyadic operation
monadic operation
unary operation
binary operation
decrementation
incrementation
bimodular
bialgebroid
binary
additive operation
idempotent
geminous
simultaneous operation
parallel operation
comonoid
pair
geminate
binary arithmetic operation
threshold operation
bidual
boolean operation
half and half
bifold
bigeminal
associative
half
one-half
isoselective
prime
down the middle
common divisor
duodecillionth
multiskyrmion
common measure
common factor
applicative
magma
multiacetylation
majority operation
pairwork
two-thirds
twosome
coadjoint
homobifunctional
homographic
bisected
combi
homodisubstituted
serial operation
combi-