n. pl. meth·od·ol·o·gies
a. A body of practices, procedures, and rules used by those who work in a discipline or engage in an inquiry; a set of working methods: the methodology of genetic studies; a poll marred by faulty methodology.
b. The study or theoretical analysis of such working methods.
2. The branch of logic that deals with the general principles of the formation of knowledge.
meth′od·o·logi·cal (mĕth′ə-də-lŏjĭ-kəl) adj.
meth′od·olo·gist (-jĭst) adv.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.