a substance formed during a chemical process before the desired product is obtained, One that is in a middle position or state, An automobile that is smaller than a full-sized model but larger than a compact, verb_ act between parties with a view to reconciling differences, intransitive verb_ To act as an intermediary; mediate, To intervene, adjective_ Lying or being in the middle place or degree, or between two extremes; coming or done between; intervening; interposed; interjacent, Of or pertaining to an intermediate school, Being between two extremes, or in the middle of a range