First Known Use: 1719
Dictionary
millesimal
noun mil·les·i·mal \mə-ˈle-sə-məl\
Definition of MILLESIMAL
: the quotient of a unit divided by 1000 : one of 1000 equal parts
— millesimal adjective
— mil·les·i·mal·ly \-mə-lē\ adverb
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Origin of MILLESIMAL
Latin millesimus, adjective, thousandth, from mille
Rhymes with MILLESIMAL
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