- beryllium (n.)
[beryllium 词源字典]
- metallic element, 1863, so called because it figures in the composition of the pale green precious stone beryl and was identified in emerald (green beryl) in 1797 by French chemist Louis Nicolas Vauquelin (1763-1829) and first isolated in 1828. At first and through 19c. also sometimes called glucinum or glucinium.[beryllium etymology, beryllium origin, 英语词源]