(ˈsɛkˌpɑː) n(in astronomy) a unit of distance equivalent to 3.262 light yearsThesaurus
Noun
1.
secpar - 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 yearsparsecastronomy unit - a linear unit used for astronomical distances
secpar
enUK
noun
Synonyms for secpar
noun a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc