intermediatea.[Pref. inter- + mediate: cf. F. intermdiat.]1. Lying or being in the middle place or degree, or between two extremes; coming or done between; intervening; interposed; interjacent; as, an intermediate space or time; intermediate colors.()2. Of or pertaining to an intermediate school; as, intermediate education.()Intermediate state (Theol.), the state or condition of the soul between the death and the resurrection of the body. -- Intermediate terms (Math.), the terms of a progression or series between the first and the last (which are called the extremes); the means. -- Intermediate tie. (Arch.) Same as Intertie.()v. i. To come between; to intervene; to interpose.(Milton.)n.1. A person who intermediates between others, especially in negotiations; an intermediary; a mediator.()2. Something that is intermediate.()3. (Chem.) A compound which is produced in the course of a chemical synthesis, which is not itself the final product, but is used in further reactions which produce the final product; also called synthetic intermediate, intermediate compound or intermediate product; -- contrasted to starting material and end product or final product. There may be many different intermediates between the starting material and end product in the course of a complex synthesis; as, many industrial chemicals are produced primarily to be used as intermediates in other syntheses.()