isochron

noun
iso·​chron | \ˈī-sə-ˌkrän \
variants: or isochrone \ˈī-​sə-​ˌkrōn \

Definition of isochron 

: an imaginary line or a line on a chart connecting points at which an event occurs simultaneously or which represents the same time or time difference

First Known Use of isochron

1881, in the meaning defined above

History and Etymology for isochron

International Scientific Vocabulary is- + -chron (from Greek chronos time)

Keep scrolling for more

Learn More about isochron

Statistics for isochron

Look-up Popularity

Time Traveler for isochron

The first known use of isochron was in 1881

See more words from the same year

More from Merriam-Webster on isochron

Rhyming Dictionary: Words that rhyme with isochron

Comments on isochron

What made you want to look up isochron? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a typical or ideal example

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

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!