isoline

noun
iso·​line | \ ˈī-(ˌ)sō-ˌlīn How to pronounce isoline (audio) \

Definition of isoline

: a line on a map or chart along which there is a constant value (as of temperature or rainfall)

First Known Use of isoline

1944, in the meaning defined above

Learn More About isoline

Time Traveler for isoline

Time Traveler

The first known use of isoline was in 1944

See more words from the same year

Dictionary Entries Near isoline

isoleucine

isoline

Isoloma

See More Nearby Entries 

Statistics for isoline

Cite this Entry

“Isoline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isoline. Accessed 15 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!