Definitions
1.NounA treatise on terms, especially those used in a specialised field.
2.NounThe set of terms actually used in any business, art, science, or the like; nomenclature; technical terms.
3.NounThe scientific study of such terms.
4.Noun↑ “terminology”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.
5.Noun↑ “terminology”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.