meitneriumn.

Brit.

/mʌɪtˈnɪərɪəm/, U.S.

/ˌmaɪtˈnɪriəm/,

/ˌmaɪtˈnɛriəm/

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

Etymology: < the name of Lise Meitner (1878–1968), German physicist + -ium suffix.

Chemistry.

A radioactive transuranic chemical element, atomic number 109, produced artificially. Symbol Mt.Previously given the provisional name unnilennium: see un- comb. form.

ΚΠ

1992 Science 18 Sept. 1626/4 109 is to be meitnerium after the German nuclear physicist Lise Meitner.

1997 Science 12 Sept. 1601/3 IUPAC this week advised discoverers of the elements that it had accepted the recommendation of the international naming commission... The Heavy-Ion Research Laboratory (GSI) in Darmstadt, Germany, had sole priority for elements 107 to 109, which the lab forged between 1982 and 1984. These are now called, respectively, bohrium.., hassium.., and meitnerium.

This is a new entry (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	meitnerium
释义	meitneriumn. Brit. /mʌɪtˈnɪərɪəm/, U.S. /ˌmaɪtˈnɪriəm/, /ˌmaɪtˈnɛriəm/ Origin: From a proper name, combined with an English element. Etymons: proper name Meitner , -ium suffix. Etymology: < the name of Lise Meitner (1878–1968), German physicist + -ium suffix. Chemistry. A radioactive transuranic chemical element, atomic number 109, produced artificially. Symbol Mt.Previously given the provisional name unnilennium: see un- comb. form. ΚΠ 1992 Science 18 Sept. 1626/4 109 is to be meitnerium after the German nuclear physicist Lise Meitner. 1997 Science 12 Sept. 1601/3 IUPAC this week advised discoverers of the elements that it had accepted the recommendation of the international naming commission... The Heavy-Ion Research Laboratory (GSI) in Darmstadt, Germany, had sole priority for elements 107 to 109, which the lab forged between 1982 and 1984. These are now called, respectively, bohrium.., hassium.., and meitnerium. This is a new entry (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1992
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