dubnium, Db, hahnium, element, atomic number
(noun) a transuranic element
Source: WordNet® 3.1
dubnium (uncountable)
A transuranic chemical element (symbol Db) with atomic number 105.
(chemistry, obsolete) A rejected name for rutherfordium.
• eka-tantalum (used before the element was discovered)
• hahnium (proposed by American scientists, but rejected; still used by some Western scientists; see also hassium)
• joliotium (proposed by the IUPAC, but rejected)
• nielsbohrium (proposed by Russian scientists, but rejected)
• unnilpentium (used before the element had been officially named to avoid disputes between Western and Russian scientists over "hahnium" and "dubnium" respectively)
Source: Wiktionary
14 November 2024
(noun) the act of searching someone for concealed weapons or illegal drugs; “he gave the suspect a quick frisk”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
