in·ter·me·di·ate (ĭn'tər-mē'dē-ĭt) adj. Lying or occurring between two extremes or in a middle position or state: an aircraft having an intermediate range; an intermediate school. n.
One that is in a middle position or state.
An intermediary.
Chemistry A substance formed as a necessary stage in the manufacture of a desired end product.
An automobile that is smaller than a full-sized model but larger than a compact.
[Middle English, from Medieval Latin intermediātus, from Late Latin intermedius : Latin inter-, inter- + Latin medius, middle; see medhyo- in Indo-European roots.] in'ter·me'di·a·cy n., in'ter·me'di·ate·ly adv., in'ter·me'di·ate·ness n., in'ter·me'di·a'tion n., in'ter·me'di·a'tor n.