milliarcsecond en · NOUN
Etymology
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sm̥- 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.
Meanings
- A unit of angle equal to one thousandth of an arcsecond (used especially in astronomy)
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| milliarcseconds | Number=Plur | lexicographic |
Deriveds
mas · submilliarcsecond · milliarcsec