Akademik
counterpart
noun
a)
Either of two
parts
that
fit
together, or
complement
one another.
Those brass knobs and their hollow counterparts interlock perfectly
b)
A
duplicate
of a legal document.
Syn
:
equivalent
,
opposite number
,
pendant
See Also:
counterbalance
,
counterpoint
,
countersign
,
counterweight
,
partner
Wikipedia foundation
.