dialectology

名词 dialectology:

1. the branch of philology that is devoted to the study of dialects

di.a.lec.tol.o.gy

n.（名词）
The study of dialects.
方言的研究

【引伸】
di.alec.tolog.ical
di.alec.tolog.ically
adv.（副词）
di.alectol.ogist
n.（名词）