MILLI-
Meaning of MILLI- in English
/ ˈmɪli; NAmE / combining form
(in nouns; used in units of measurement) one thousandth :
milligram
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WORD ORIGIN
from Latin mille thousand.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005