1. parsec

noun. ['ˈpɑːrˌsɛk'] 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.


  • astronomy unit

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Rhymes with Parsec

  • gendrisek

Sentences with parsec

1. Noun, singular or mass
This gives rise to the parsec, a unit derived by scribing an imaginary right triangle in the sky.