English Explanatory Dictionary

parallax second

English dictionary entry

Meanings

noun
  1. A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

Pronunciation

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

Word forms

parallax second parallax seconds

Synonyms

parsec psc pc
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