thulium


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thu·li·um

 (tho͞o′lē-əm)
n. Symbol Tm
A bright, soft, silvery, metallic element of the lanthanide series obtained commercially from the mineral monazite, having an x-ray emitting isotope that is used in portable medical x-ray units. Atomic number 69; atomic weight 168.934; melting point 1,545°C; boiling point 1,950°C; specific gravity 9.321 (at 25°C); valence 2, 3. See Periodic Table.

[After Thule1.]

thulium

(ˈθjuːlɪəm)
n
(Elements & Compounds) a malleable ductile silvery-grey element occurring principally in monazite. The radioisotope thulium-170 is used as an electron source in portable X-ray units. Symbol: Tm; atomic no: 69; atomic wt: 168.93421; valency: 3; relative density: 9.321; melting pt: 1545°C; boiling pt: 1950°C
[C19: New Latin, from Thule + -ium]

thu•li•um

(ˈθu li əm)

n.
a rare-earth metallic element found in gadolinite and other uncommon minerals. Symbol: Tm; at. wt.: 168.934; at. no.: 69; sp. gr.: 9.32.
[< French (1879), after Thule, taken as a name for ancient Scandinavia; see -ium2]

thu·li·um

(tho͞o′lē-əm)
Symbol Tm A soft, easily shaped, silver-gray metallic element of the lanthanide series. An artificial radioactive isotope of thulium is used as a radiation source in small, portable x-ray machines. Atomic number 69. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thulium - a soft silvery metallic element of the rare earth groupthulium - a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
apatite - a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
xenotime - a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form
Translations
тулий
thulium
thulium
tulio
tuulium
tulium
thulium
תוליום
tulij
túlium
túlín
ツリウム
thulium
tulis
thulium
thulium
tul
túlio
tuliu
thulium
tulij
tulium
tulyum
tuli

thulium

[ˈθjuːlɪəm] Ntulio m

thulium

n (Chem) → Thulium nt
References in periodicals archive ?
sup][10],[11],[12] Currently, the most commonly used BPH laser procedure worldwide uses laser generated by lithium potassium titanyl phosphate or LBO crystals;[sup][13] traditionally, these are classified as side-firing lasers compared to other types of laser, such as holmium laser and thulium laser.
Systemic evaluation of a recently introduced 2m continuous wave thulium laser for vaporesection of the prostate [J].
Materiales y metodos: el proposito del video es mostrar algunos de los procedimientos que se pueden hacer por histeroscopia con la aplicacion de la tecnologia laser Thulium, con una fibra de 600 micras que pueden pasar a traves del canal operativo del histeroscopio diagnostico.
The most applicable are "light metals" (lanthanum, cerium, praseodymium and neodymium), less often--"medium" (samarium, europium, gadolinium, terbium, dysprosium, holmium), even less--"heavy" (erbium, thulium, ytterbium, lutetium).
Thulium Tm 69 rarest REE, similar to yttrium, X-ray machines Ytterbium Yb 70 increases electrical resistance, stress gauges, nuclear applications, improving the grain refinement, strength, and other mechanical properties of stainless steel, infrared lasers, chemical reducing agent.
This product is a mix of samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium as oxides.
Cerium, Praseodymium, Promethium, Samarium, Europium, Holmium, Erbium, Thulium, Ytterbium
raw materials, especially dysprosium, terbium, thulium, lutetium,
To date, six types of lasers have been used to treat the prostate: neodymium (Nd):YAG; holmium (Ho):YAG; potassium-titanyl-phosphate (KTP), which is currently being replaced by 120-W lithium borate (LBO); diode; and most recently thulium laser.
Huuttmann, "Temperature dependence of light absorption in water at holmium and thulium laser wavelengths," Appl.
The rare earth sector covers companies with operations involving exploration, extraction, transport, processing or any other business involving any of the following 17 rare earth elements: Scandium, Yttrium, Lanthanum, Lutetium, Ytterbium, Thulium, Erbium, Holmium, Dysprosium, Terbium, Gadolinium, Europium, Samarium, Promethium, Neodymium, Praseodymium, and Cerium.