nielsbohriumn.

Brit.

/ˌniːlzˈbɔːrɪəm/, U.S.

/ˌnilzˈbɔriəm/

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

Etymology: < the name of Niels Bohr (see Bohr n.) + -ium suffix. In sense 1 after Russian nil′sborij, a name used by G. N. Flërov and co-workers (e.g. in G. N. Flërov & I. Zvara Report D7–6013 (Joint Inst. Nuclear Res., Dubna, U.S.S.R., 1971) 56), though no explicit coinage of the word has been traced in the literature available. In sense 2 apparently after German Nielsbohrium, name proposed by workers at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany.

Chemistry. Now historical.

1. (A name proposed for) the artificially produced transuranic element of atomic number 105 (now called dubnium).

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > hahnium > [noun]

hahnium1970

bohrium1971

nielsbohrium1973

dubnium1997

1973 Nucl. Sci. Abstr. 28 1209/2 Proposed names for Nos. 103–105 are Lawrencium (Lr), Kurchatovium (Ku), and Nielsbohrium (Bo).

1975 Nature 27 Mar. 288/2 As a sign of the rival claims elements 104 and 105 have been christened Rutherfordium and Hahnium in the USA and Kurchatovium and Nielsbohrium in the USSR.

1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) xxxi. 1453 The names hahnium (Ha) after Otto Hahn and nielsbohrium (Ns) after Niels Bohr have been suggested by the Berkeley and Dubna groups respectively.

2. (A name proposed for) the artificially produced transuranic element of atomic number 107 (now called bohrium).

ΚΠ

1992 Nature 17 Sept. 180/3 Element 107 is to be called nielsbohrium, after the atomic physicist Niels Bohr.

1995 Nature 9 Feb. 471/1 These are the first new elements to be discovered since the production and identification of elements 107, 108 and 109 (now known as nielsbohrium, hassium and meitnerium) between 1981 and 1984.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nielsbohrium
释义	nielsbohriumn. Brit. /ˌniːlzˈbɔːrɪəm/, U.S. /ˌnilzˈbɔriəm/ Origin: From a proper name, combined with an English element. Etymons: proper name Niels Bohr , -ium suffix. Etymology: < the name of Niels Bohr (see Bohr n.) + -ium suffix. In sense 1 after Russian nil′sborij, a name used by G. N. Flërov and co-workers (e.g. in G. N. Flërov & I. Zvara Report D7–6013 (Joint Inst. Nuclear Res., Dubna, U.S.S.R., 1971) 56), though no explicit coinage of the word has been traced in the literature available. In sense 2 apparently after German Nielsbohrium, name proposed by workers at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany. Chemistry. Now historical. 1. (A name proposed for) the artificially produced transuranic element of atomic number 105 (now called dubnium). ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > hahnium > [noun] hahnium1970 bohrium1971 nielsbohrium1973 dubnium1997 1973 Nucl. Sci. Abstr. 28 1209/2 Proposed names for Nos. 103–105 are Lawrencium (Lr), Kurchatovium (Ku), and Nielsbohrium (Bo). 1975 Nature 27 Mar. 288/2 As a sign of the rival claims elements 104 and 105 have been christened Rutherfordium and Hahnium in the USA and Kurchatovium and Nielsbohrium in the USSR. 1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) xxxi. 1453 The names hahnium (Ha) after Otto Hahn and nielsbohrium (Ns) after Niels Bohr have been suggested by the Berkeley and Dubna groups respectively. 2. (A name proposed for) the artificially produced transuranic element of atomic number 107 (now called bohrium). ΚΠ 1992 Nature 17 Sept. 180/3 Element 107 is to be called nielsbohrium, after the atomic physicist Niels Bohr. 1995 Nature 9 Feb. 471/1 These are the first new elements to be discovered since the production and identification of elements 107, 108 and 109 (now known as nielsbohrium, hassium and meitnerium) between 1981 and 1984. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1973
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