isograph

[ ahy-suh-graf, -grahf ]
/ ˈaɪ səˌgræf, -ˌgrɑf /

noun

(in the study of the geographical distribution of a dialect) a line drawn on a map to indicate areas having common linguistic characteristics.

Nearby words

  1. isogonic line,
  2. isograd,
  3. isogradient,
  4. isograft,
  5. isogram,
  6. isographic,
  7. isogriv,
  8. isohaline,
  9. isohel,
  10. isohemagglutination

Origin of isograph

First recorded in 1935–40; iso- + -graph

Related formsi·so·graph·ic [ahy-suh-graf-ik] /ˌaɪ səˈgræf ɪk/, i·so·graph·i·cal, adjectivei·so·graph·i·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019