ALL meanings of dubnium
dub·ni·um
D d - noun dubnium a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Db; atomic number: 105. 1
- noun dubnium A transuranic chemical element (symbol Db) with atomic number 105. 0
- noun dubnium (Obsolete (No longer in use)) (chemistry) A rejected name for rutherfordium. 0
- noun dubnium a synthetic transactinide element produced in minute quantities by bombarding plutonium with high-energy neon ions. Symbol: Du; atomic no 105 0
- noun dubnium a radioactive chemical element with a very short half-life: a transactinide produced by bombarding californium or berkelium with high-energy nuclear particles: symbol, Db; at. no., 105 0