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thulium
thulium (symbol Tm) Lustrous, silver-white, metallic element of the lanthanide series (rare-earth metals). Its chief ore is monazite but thulium is as rare as gold. Soft, malleable and ductile, it combines with oxygen and the halogens. It is used in arc lighting and portable X-ray units. It is used in arc lighting and portable X-ray units. It was discovered in 1879 by Swedish chemist Per Cleve (1840–1905). Properties: at.no. 69; r.a.m. 168.9342; r.d. 9.31 (25°C); m.p. 1545°C (2813°F); b.p. 1947°C (3537°F); most stable isotope Tm169 (100%).
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"thulium." World Encyclopedia. 2005. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "thulium." World Encyclopedia. 2005. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O142-thulium.html "thulium." World Encyclopedia. 2005. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-thulium.html |
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Tm
Tm • symb. the chemical element thulium. |
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Cite this article
"Tm." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "Tm." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O999-tm005.html "Tm." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-tm005.html |
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thulium
thulium
•columbium
•erbium, terbium, ytterbium
•scandium • compendium
•palladium, radium, stadium, vanadium
•medium, tedium
•cryptosporidium, cymbidium, idiom, iridium, rubidium
•indium
•exordium, Gordium, rutherfordium
•odeum, odium, plasmodium, podium, sodium
•allium, gallium, pallium, thallium, valium
•berkelium, epithelium, helium, nobelium, Sealyham
•beryllium, cilium, psyllium, trillium
•linoleum, petroleum
•thulium • cadmium
•epithalamium, prothalamium
•gelsemium, premium
•chromium, encomium
•holmium • fermium
•biennium, millennium
•cranium, geranium, germanium, Herculaneum, titanium, uranium
•helenium, proscenium, rhenium, ruthenium, selenium
•actinium, aluminium, condominium, delphinium
•ammonium, euphonium, harmonium, pandemonium, pelargonium, plutonium, polonium, zirconium
•neptunium
•europium, opium
•aquarium, armamentarium, barium, caldarium, cinerarium, columbarium, dolphinarium, frigidarium, herbarium, honorarium, planetarium, rosarium, sanitarium, solarium, sudarium, tepidarium, terrarium, vivarium
•atrium
•delirium, Miriam
•equilibrium, Librium
•yttrium
•auditorium, ciborium, conservatorium, crematorium, emporium, moratorium, sanatorium, scriptorium, sudatorium, vomitorium
•opprobrium
•cerium, imperium, magisterium
•curium, tellurium
•potassium • axiom • calcium
•francium • lawrencium • americium
•Latium, solatium
•lutetium, technetium
•Byzantium • strontium • consortium
•protium • promethium • lithium
•alluvium, effluvium
•requiem • colloquium • gymnasium
•caesium (US cesium), magnesium, trapezium
•Elysium • symposium
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Cite this article
"thulium." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "thulium." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O233-thulium.html "thulium." Oxford Dictionary of Rhymes. 2007. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-thulium.html |
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