Interlayer and Intermediate

noun

• A layer placed between other layers. .

noun

• A substance formed during a chemical process before the desired product is obtained.

verb

• Act between parties with a view to reconciling differences.
  • usage: "He interceded in the family dispute"; "He mediated a settlement"
  • synonyms: intercede, mediate, liaise, arbitrate

adjective

• Lying between two extremes in time or space or state.
  • usage: "going from sitting to standing without intermediate pushes with the hands"; "intermediate stages in a process"; "intermediate stops on the route"; "an intermediate range plane"
• Around the middle of a scale of evaluation.
  • usage: "an orange of average size"; "intermediate capacity"; "medium bombers"
  • synonyms: average, medium

• (v.i.) To come between; to intervene; to interpose.
• (a.) 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.