microarcsecond
A unit of angle; one millionth (10⁻⁶) of an arcsecond.
Noun
- A unit of angle; one millionth (10⁻⁶) of an arcsecond.
Origin
Etymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- English arcsecond English microarcsecond From micro- + arcsecond.