milliarcsecond

milliarcsecond

English

Etymology

Etymology tree
Proto-Indo-European *sem-
Proto-Indo-European *sm̥-
Proto-Indo-European *-is
Proto-Indo-European *-h₂
Proto-Indo-European *-ih₂
Proto-Indo-European *smih₂
Proto-Indo-European *ǵʰes-
Proto-Indo-European *-lom
Proto-Indo-European *ǵʰéslom
▲
Proto-Indo-European *-ih₂
Proto-Indo-European *ǵʰéslih₂
Proto-Indo-European *smih₂ǵʰéslih₂
Proto-Italic *smīɣeslī
Latin mīlleder.
French milli-
English milli-
English arcsecond
English milliarcsecond

    From milli- + arcsecond.

    Noun

    milliarcsecond (plural milliarcseconds)

    1. (metrology) A unit of angle equal to one thousandth of an arcsecond (used especially in astronomy)

    Derived terms

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