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Milliarcsecond
Origin
-
+
arcsecond
Full definition of milliarcsecond
Noun
milli
arcsecond
(
plural
milliarcseconds
)
(
metrology
) A
unit
of
angle
equal to one thousandth of an
arcsecond
(used especially in astronomy)
Derived terms
(
abbreviation
)
mas
Related terms
milli-
arcsecond
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