English Explanatory Dictionary

arcsecond

English dictionary entry

Meanings

noun
  1. A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-arcsecond.wav

Word forms

arcsecond arcseconds

Etymology

From arc + second.

Synonyms

second of arc as arcsec

Related words

arcminute

Derived words

microarcsecond milliarcsecond subarcsecond
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