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Webster 1913 Edition
Millesimal
Mil-les′i-mal
,Adj.
 [L. 
millesimus
, fr. mille 
a thousand.] Thousandth; consisting of thousandth parts; 
 as, 
. millesimal 
fractions☞ 
Arabian millet 
is Sorghum Halepense
. – Egyptian millet 
or East Indian millet 
is Penicillaria spicata
. – Indian millet 
is Sorghum vulgare
. (See under Indian
.) – Italian millet 
is Setaria Italica
, a coarse, rank-growing annual grass, valuable for fodder when cut young, and bearing nutritive seeds; – called also Hungarian grass
. – Texas millet 
is Panicum Texanum
. – Wild millet
, or Millet grass
, is Milium effusum
, a tall grass growing in woods. Webster 1828 Edition
Millesimal
MILLES'IMAL
,Adj.
 Thousandth; consisting of thousandth parts; as millesimal fractions.
Definition 2025
millesimal
millesimal
English
Adjective
millesimal (not comparable)
-  thousandth; consisting of thousandth parts
- millesimal fractions