noun, Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Sg; atomic number: 106.
a synthetic transuranic element, synthesized and identified in 1974. Symbol: Sg; atomic no: 106
A synthetic, radioactive element that is produced by bombarding californium with oxygen ions or bombarding lead with chromium ions. Its most long-lived isotopes have mass numbers 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds, respectively. Atomic number 106. See Periodic Table.
adjective 1. born in or of the sea, as naiads. 2. produced in or rising from the sea, as reefs.
adjective 1. transported by ship over the sea. 2. carried on or over the sea: a seaborne fog; seaborne cargoes. adjective 1. carried on or by the sea 2. transported by ship
noun 1. ship biscuit; hardtack.
noun 1. any of numerous marine sparid fishes, as Pagellus centrodontus, inhabiting waters off the coasts of Europe. 2. a porgy, Archosargus rhomboidalis, inhabiting the Atlantic Ocean. noun 1. any sparid fish, esp Pagellus centrodontus, of European seas, valued as a food fish