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


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.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

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