mil·​li·​ra·​di·​an ˌmi-lə-ˈrā-dē-ən How to pronounce milliradian (audio)
: one thousandth of a radian

Word History


International Scientific Vocabulary

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of milliradian was in 1946

Dictionary Entries Near milliradian

Cite this Entry

“Milliradian.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

Love words? Need even more definitions?

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