proficient in or using two dialects of the same language
Derived forms
bidialectalismbidialectism
noun
bidialectalist
noun
bidialectally
adverb
Word origin
[1965–70; bi-1 + dialectal, on the model of bilingual]This word is first recorded in the period 1965–70. Other words that entered Englishat around the same time include: Coriolis effect, T cell, double-book, no-fault, overdubbi- is a combining form meaning “twice,” “two,” used in the formation of compound words.Other words that use the affix bi- include: biceps, bilingual, bimodal, bipolar, bivalent