noun, plural ter·mi·nol·o·gies.
- the system of terms belonging or peculiar to a science, art, or specialized subject; nomenclature: the terminology of botany.
- the science of terms, as in particular sciences or arts.
noun plural -gies
- the body of specialized words relating to a particular subject
- the study of terms
n.1801, from German Terminologie (1786), a hybrid coined by C.G. Schütz of Jena, from Medieval Latin terminus “word, expression” (see terminus) + Greek -logia “a dealing with, a speaking of” (see -logy).