roentgeniumn.

Brit.

/rʌntˈɡɛnɪəm/,

/rʌntˈdʒɛnɪəm/,

/rʌntˈɡiːnɪəm/,

/rʌntˈdʒiːnɪəm/, U.S.

/rɛntˈɡɛniəm/,

/rɛntˈdʒɛniəm/,

/rɛntˈɡiniəm/,

/rɛntˈdʒiniəm/

Origin: From a proper name, combined with an English element. Etymons: proper name Röntgen , -ium suffix.

Etymology: < the name of Wilhelm Conrad Röntgen (see Roentgen n.) + -ium suffix.

Chemistry.

A radioactive transuranic chemical element, atomic number 111, produced artificially. Symbol Rg.

ΚΠ

2004 J. Corish & G. M. Rosenblatt Recommendation for naming Element 111: Draft (IUPAC Provis. Recommendations: Inorg. Chem. Div.) 17 May 1 The discoverers at the GSI [= Gesellschaft für Schwerionenforschung, Darmstadt] were invited to propose a name and symbol for element 111. The discoverers propose the name roentgenium and the symbol Rg.

2006 100 Sci. Words 100 Some scientists speculate that if enough roentgenium could be produced to be seen, it would be gold in color.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	roentgenium
释义	roentgeniumn. Brit. /rʌntˈɡɛnɪəm/, /rʌntˈdʒɛnɪəm/, /rʌntˈɡiːnɪəm/, /rʌntˈdʒiːnɪəm/, U.S. /rɛntˈɡɛniəm/, /rɛntˈdʒɛniəm/, /rɛntˈɡiniəm/, /rɛntˈdʒiniəm/ Origin: From a proper name, combined with an English element. Etymons: proper name Röntgen , -ium suffix. Etymology: < the name of Wilhelm Conrad Röntgen (see Roentgen n.) + -ium suffix. Chemistry. A radioactive transuranic chemical element, atomic number 111, produced artificially. Symbol Rg. ΚΠ 2004 J. Corish & G. M. Rosenblatt Recommendation for naming Element 111: Draft (IUPAC Provis. Recommendations: Inorg. Chem. Div.) 17 May 1 The discoverers at the GSI [= Gesellschaft für Schwerionenforschung, Darmstadt] were invited to propose a name and symbol for element 111. The discoverers propose the name roentgenium and the symbol Rg. 2006 100 Sci. Words 100 Some scientists speculate that if enough roentgenium could be produced to be seen, it would be gold in color. This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.2004
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