any of a family of baryons having strangeness −2 and isotopic spin ½. symbol: ξ.
xi-c baryon xi-c baryon either of two subatomic particles in the baryon family, one neutral and one positively charged, with m-sses of 4,826 and 4,834 times that of an electron and average lifetimes of 3.5 × 10-13 and 9.8 × 10-14 seconds, respectively. see table at subatomic particle.
noun ?1180–1230, chinese landscape painter of the sung dynasty; noted for his misty mountain landscapes in ink monochrome
a river in s china, flowing n to lake dongting. 715 miles (1150 km) long.
hong kong. victoria (def 5).
a city in e hunan, in s china. noun a city in s central china, in ne hunan on the xiang river: centre of a region noted for tea production. pop: 592 000 (2005 est)