Unununium
noun, Chemistry, Physics.
1.
former name of roentgenium. Symbol: Uuu.
noun, Chemistry, Physics.
1.
a superheavy, synthetic radioactive element with a very short half-life. Symbol: Rg; atomic number: 111.
noun, Chemistry, Physics.
1.
roentgenium.
unununium
(ə-nə-nŭn’ē-əm)
See element 111.
element 111
Symbol Uuu
An artificially produced radioactive element whose isotope has a mass number of 272 and a half-life of 1.5 milliseconds. Atomic number 111. Also called unununium. See Periodic Table.
Read Also:
- Unupholstered
verb (used with object) 1. to provide (chairs, sofas, etc.) with coverings, cushions, stuffing, springs, etc. 2. to furnish (an interior) with hangings, curtains, carpets, or the like. verb 1. (transitive) to fit (chairs, sofas, etc) with padding, springs, webbing, and covering
- Unurbanized
verb (used with object), urbanized, urbanizing. 1. to make or cause to become urban, as a locality. verb (transitive) 1. (usually passive) to make (esp a predominantly rural area or country) more industrialized and urban to cause the migration of an increasing proportion of (rural dwellers) into cities
- Unurgent
adjective 1. compelling or requiring immediate action or attention; imperative; pressing: an urgent matter. 2. insistent or earnest in solicitation; importunate, as a person: an urgent pleader. 3. expressed with insistence, as requests or appeals: an urgent tone of voice. adjective 1. requiring or compelling speedy action or attention: the matter is urgent, an urgent […]
- Unusable
adjective 1. available or convenient for use: 2000 square feet of usable office space. 2. capable of being used: That saw is no longer usable. adjective 1. not able or fit to be used adjective 1. able to be used
- Unusably
adjective 1. available or convenient for use: 2000 square feet of usable office space. 2. capable of being used: That saw is no longer usable. adjective 1. able to be used