focal area
noun Linguistics.
(in dialect geography) an area whose dialect has exerted influence on the dialects of surrounding areas, as reflected in a set of isoglosses more or less concentrically surrounding it.
Nearby words
fobs, foc, focaccia, focal, focal amyloidosis, focal area, focal depth, focal distance, focal epilepsy, focal glomerulonephritis, focal infection
Compare relic area, transition area.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019