Tēr'mi-nōl'o-gy, n.
n. [Fr. terminologie, from Lat. terminus, term, and Gr. λόγος, discourse.]
Sense 1. The doctrine of terms; a treatise on terms; a theory of terms or appellations.
Sense 2. The terms actually used in any business, art, science, or the like; nomenclature; as, the terminology of chemistry. “The barbarous effect produced by a German structure of sentence, and a terminology altogether new.” De Quincy.