Definition of ISO

 (Entry 1 of 2)

International Organization for Standardization; International Standards Organization

Definition of iso- (Entry 2 of 2)

— see is-

Learn More About ISO

Dictionary Entries Near ISO

is nowhere to be found

ISO

iso-

See More Nearby Entries 

Statistics for ISO

Cite this Entry

“ISO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ISO. Accessed 27 Jun. 2022.

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

More from Merriam-Webster on ISO

Nglish: Translation of ISO for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!