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.

QUIZZES

DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!

We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of isograph

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

OTHER WORDS FROM isograph

i·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. 2021