1.NounA term (word or noun phrase) that shares a hypernym (or hypernymic noun phrase) with another: that is, one that names another type (kind) within the same class."The words oak, maple, spruce, and linden are coordinate terms beneath the hypernym of tree.; The terms HDA, LAMP, MDA, NASBA, RPA, SDA, and TMA are coordinate terms beneath the hypernymic term isothermal nucleic acid amplification test."