n. Chem. an artificially made transuranic radioactive metallic element.
Symb.: Lw.
Etymology: E. O. Lawrence, Amer. physicist d. 1958

Useful english dictionary. 2012.

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  • Lawrencium — (pronEng|ləˈrɛnsiəm) is a radioactive synthetic element with the symbol Lr (formerly Lw) and atomic number 103.Its most stable known isotope is 262Lr, with a half life of approximately 3.6 hours. Little is known of the chemistry but there is… …   Wikipedia

  • Lawrencium — Nobélium ← Lawrencium → Rutherfordium Lu …   Wikipédia en Français

  • lawrencium — [ lɔrɑ̃sjɔm ] n. m. • 1962; de Lawrence, n. d un physicien amér. ♦ Chim. Élément atomique (Lr; no at. 103), le dernier de la série des actinides. Isotope du lawrencium obtenu par bombardement du californium. ● lawrencium nom masculin (de E. O.… …   Encyclopédie Universelle

  • lawrencium — Symbol: Lr Atomic number: 103 Atomic weight: (262) Appearance unknown, however it is most likely silvery white or grey and metallic. Lawrencium is a synthetic rare earth metal. There are eight known radioisotopes, the most stable being Lr 262… …   Elements of periodic system

  • lawrencium — n. [from Ernest O. Lawrence, inventer of the cyclotron.] A transuranic element of atomic number 103. It was discovered in 1961 by bombardment of californium in a cyclotron with boron nuclei. Other isotopes were prepared in 1965 at Dubna. The… …   The Collaborative International Dictionary of English

  • Lawrencium — 1961, Modern Latin, from the name of Ernest O. Lawrence (1901 1958), U.S. physicist, cyclotron pioneer and founder of the lab where it was discovered …   Etymology dictionary

  • lawrencium — ☆ lawrencium [lô ren′sē əm ] n. [ModL: so named after E. O. Lawrence (see LAWRENCE2 Ernest O(rlando)), who invented the cyclotron + IUM] a radioactive, metallic chemical element, the last member of the actinide series: originally produced by… …   English World dictionary

  • Lawrencium — Eigenschaften …   Deutsch Wikipedia

  • lawrencium — /law ren see euhm/, n. Chem. a synthetic, radioactive, metallic element. Symbol: Lr; at. no.: 103. [1960 65; Lawrence Radiation Laboratory, Berkeley, California + IUM] * * * ▪ chemical element  (Lr), synthetic chemical element, the 14th member of …   Universalium

  • Lawrencium — lourensis statusas T sritis fizika atitikmenys: angl. lawrencium vok. Lawrencium, n; Lawrentium, n rus. лоуренсий, m pranc. lawrencium, m …   Fizikos terminų žodynas

  • lawrencium — Lr Lr n. The chemical symbol for {lawrencium}, a transuranic element of atomic number 103. Syn: lawrencium. [WordNet 1.5] …   The Collaborative International Dictionary of English

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