noun, plural di·a·lec·tol·o·gies for 2.

Linguistics. the study dealing with dialects and dialect features.
the linguistic features of a dialect or of the dialects of a language.

Origin of dialectology

First recorded in 1875–80; dialect + -o- + -logy
Related formsdi·a·lec·to·log·ic [dahy-uh-lek-tl-oj-ik] /ˌdaɪ əˌlɛk tlˈɒdʒ ɪk/, di·a·lec·to·log·i·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for dialectology



the study of dialects and dialectal variations
Derived Formsdialectological (ˌdaɪəˌlɛktəˈlɒdʒɪkəl), adjectivedialectologically, adverbdialectologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012