intermediate
1. in.ter.me.di.ate \.int-*r-'me-d-e--*t\ aj [ML intermediatus, fr. L intermedius, fr. inter- + medius)X mid, middle - more at MID : being or occurring at the middle place or degree or between extremes - in.ter.me.di.ate.ly av 2. intermediate n 1: an intermediate term, object, or class 2: MEDIATOR, GO-BETWEEN 3: a chemical compound formed as an intermediate step between the starting material and the final product