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roentgenium

Line breaks: roent|gen|ium
Pronunciation: /rʌntˈdʒɛnɪum
 
, rəːnt-, rɒnt-, -ˈɡɛn-/

Definition of roentgenium in English:

noun

The chemical element of atomic number 111, a radioactive element produced artificially. (Symbol: Rg)

Origin

early 21st century: named after Wilhelm Conrad Röntgen (see roentgen).

Definition of roentgenium in:

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Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure