Definition of ÒmintermÓ
lIn the context of an n-variable switching function, a minterm is a function that is a conjunction (ÒandÓ) of each variable or its complement (but not  both).

lMinterm Examples (4 variables: u, v, w, x):
 uvÕwÕx
 uÕvwÕx

lNon-Minterm Examples (4 variables):
 uv
 x
 uvw
 uÕuvw