millidegree

noun

mil·​li·​de·​gree ˌmi-lə-di-ˈgrē How to pronounce millidegree (audio)
: one thousandth of a degree

Example Sentences

Recent Examples on the Web The dilution refrigerator at Lancaster University can reach 1.6 millidegrees above absolute zero, or minus 459.67 degrees Fahrenheit (minus 273.15 Celsius). Allen Kim, CNN, 26 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millidegree.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of millidegree was in 1942

Dictionary Entries Near millidegree

Cite this Entry

“Millidegree.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millidegree. Accessed 4 Dec. 2022.

Love words? Need even more definitions?

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


Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
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