ˌekˌspərˈtēz, -per- noun
( -s )
Etymology: French, from Middle French, expertness, from expert, adjective
1. : expert opinion or commentary
is there an expertise on the question of the relative importance of preserving competition which should induce judges to defer to commissioners? — L.B.Schwartz
2. : specialized skill or technical knowledge : expertness in a particular field : know-how
the mental commodity most in demand will be practical wisdom rather than specialized expertise — Walter Moberly
his bravery, his sure judgment in the most difficult situations, his expertise in the science of war — H.L.Merillat