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parsec

noun

1 parsec

A unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years.

synonym: secpar.

Roget 200: length, longitude, span; mileage; distance etc. 196.    line, bar, rule, stripe, streak, spoke, radius.    ... show more

Dutch: parsec
Polish: pc, parsek


Find more on parsec elsewhere: etymology - rhymes - Wikipedia.

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