Dictionary

millisecond

noun mil·li·sec·ond \ˈmi-lə-ˌse-kənd, -kənt\

: one thousandth of a second

Full Definition of MILLISECOND

:  one thousandth of a second

Origin of MILLISECOND

International Scientific Vocabulary
First Known Use: 1909

millisecond

noun mil·li·sec·ond \ˈmil-ə-ˌsek-ənd, -ənt\   (Medical Dictionary)

Medical Definition of MILLISECOND

:  one thousandth of a second—abbreviation ms, msec

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