lawrenciumn.

Brit.

/ləˈrɛnsɪəm/, U.S.

/lɔˈrɛn(t)siəm/,

/lɑˈrɛn(t)siəm/

Etymology: modern Latin, < the name of Ernest O. Lawrence (1901–58), U.S. physicist + -ium suffix.

Chemistry.

An artificially produced transuranic element that concludes the actinide series, the longest-lived isotope of which has a half-life of a few minutes. Atomic number 103; symbol Lr (Lr n.).Lw was initially used as a symbol for this element (see quot. 1972¹).

ΘΚΠ

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

lawrencium1961

Lw1961

Lr1970

1961 Times 15 Apr. 7/1 The isotope of element 103 was ‘created’ on February 14 by four nuclear scientists—Albert Ghiorso, Torbjorn Sikkeland, Almon Larsh, and Robert Latimer... The scientists intend to name the new element Lawrencium in honour of..the founder of the laboratory.

1972 K. M. Mackay & R. A. Mackay Introd. Mod. Inorg. Chem. (ed. 2) xi. 151/1 Lawrencium behaves as expected for the f¹⁴d¹s² configuration by forming only Lw(III)..and resisting oxidation or reduction.

1972 Sunday Mail Mag. (Brisbane) 23 Apr. 11/2 Until lawrencium was discovered, californium..was regarded as the world's most valuable metal.

This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).

单词	lawrencium
释义	lawrenciumn. Brit. /ləˈrɛnsɪəm/, U.S. /lɔˈrɛn(t)siəm/, /lɑˈrɛn(t)siəm/ Etymology: modern Latin, < the name of Ernest O. Lawrence (1901–58), U.S. physicist + -ium suffix. Chemistry. An artificially produced transuranic element that concludes the actinide series, the longest-lived isotope of which has a half-life of a few minutes. Atomic number 103; symbol Lr (Lr n.).Lw was initially used as a symbol for this element (see quot. 1972¹). ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > lawrencium > [noun] lawrencium1961 Lw1961 Lr1970 1961 Times 15 Apr. 7/1 The isotope of element 103 was ‘created’ on February 14 by four nuclear scientists—Albert Ghiorso, Torbjorn Sikkeland, Almon Larsh, and Robert Latimer... The scientists intend to name the new element Lawrencium in honour of..the founder of the laboratory. 1972 K. M. Mackay & R. A. Mackay Introd. Mod. Inorg. Chem. (ed. 2) xi. 151/1 Lawrencium behaves as expected for the f¹⁴d¹s² configuration by forming only Lw(III)..and resisting oxidation or reduction. 1972 Sunday Mail Mag. (Brisbane) 23 Apr. 11/2 Until lawrencium was discovered, californium..was regarded as the world's most valuable metal. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022). < n.1961
随便看	commissaries commissaries general commissaries' court commissars commissary commissary court commissary department commissary general commissary of the musters commissary's department commissaryship commissaryships commisse commission commission agent commission broker commission business commission chairman commission day commission house commission man commission merchant commission note commission of array commission of bankrupt