millesimal

noun

mil·​les·​i·​mal mə-ˈle-sə-məl How to pronounce millesimal (audio)
: the quotient of a unit divided by 1000 : one of 1000 equal parts
millesimal adjective
millesimally adverb

Word History

Etymology

Latin millesimus, adjective, thousandth, from mille

First Known Use

1719, in the meaning defined above

Time Traveler
The first known use of millesimal was in 1719

Dictionary Entries Near millesimal

Cite this Entry

“Millesimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millesimal. Accessed 27 May. 2024.

Love words? Need even more definitions?

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