un·un·bi·um (ə-nŭn'bē-əm) n. Symbol Uub See element 112. [Latin ūnus, one; see union + Latin ūnus + Latin bi-, bi- + -ium.] |
| Uub The symbol for the element ununbium. |
| element 112
Symbol Uub An artificially produced radioactive element whose isotope has a mass number of 277 and a half-life of 280 milliseconds. Atomic number 112. Also called ununbium. See Periodic Table. |
| Uub
The symbol for element 112. |