terminological

noun, plural ter·mi·nol·o·gies.

1. the system of terms belonging or peculiar to a science, art, or specialized subject; nomenclature: the terminology of botany.
2. the science of terms, as in particular sciences or arts.

noun plural -gies

1. the body of specialized words relating to a particular subject
2. 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).