expertise 1
/ek'speuhr teez"/ , n.
1. expert skill or knowledge; expertness; know-how: business expertise.
2. a written opinion by an expert, as concerning the authenticity or value of a work of art, manuscript, etc.
[ 1865-70; -ise taken as an abstract n. suffix. See EXPERT, -ISE 2 ]
expertise 2
/ek"speuhr tuyz'/ , v.t., v.i., expertised, expertising . Chiefly Brit.
expertize.