- secpar
- nouna 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• Syn: ↑parsec• Hypernyms: ↑astronomy unit
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Christopher Cox — For other people named Chris Cox, see Chris Cox (disambiguation). Christopher Cox 28th Chairman of the Securities and Exchange Commission In office August 3, 2005 – January 20, 2009 Presi … Wikipedia
astronomy unit — noun a linear unit used for astronomical distances • Hypernyms: ↑linear unit, ↑linear measure • Hyponyms: ↑light year, ↑light year, ↑light hour, ↑light minute, ↑light second, ↑ … Useful english dictionary
par|sec — «PAHR sehk», noun. a unit of distance, used in computing the distances of stars, equal to the distance of a star whose annual parallax is one second of arc, or about 206,265 times the mean distance of the earth from the sun or 3.26 lightyears, or … Useful english dictionary