| polonium | (n) a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor, Syn. Po, atomic number 84 |
| 钋 | [钋 / 釙] polonium Po 釙|钋, metalloid, atomic number 84, See also: 釙 #43,144 [Add to Longdo] |