hafnium


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Related to hafnium: Hafnium carbide

haf·ni·um

 (hăf′nē-əm)
n. Symbol Hf
A brilliant, silvery, metallic element separated from ores of zirconium and used in nuclear reactor control rods, as a getter for oxygen and nitrogen, and in tungsten filament alloys. Atomic number 72; atomic weight 178.49; melting point 2,233°C; boiling point 4,603°C; specific gravity 13.31; valence 4. See Periodic Table.

[After Hafnia, Medieval Latin name for Copenhagen, Denmark.]

hafnium

(ˈhæfnɪəm)
n
(Elements & Compounds) a bright metallic element found in zirconium ores: used in tungsten filaments and as a neutron absorber in nuclear reactors. Symbol: Hf; atomic no: 72; atomic wt: 178.49; valency: 4; relative density: 13.31; melting pt: 2231±20°C; boiling pt: 4603°C
[C20: New Latin, named after Hafnia, Latin name of Copenhagen + -ium]

haf•ni•um

(ˈhæf ni əm, ˈhɑf-)

n.
a toxic metallic element found in most zirconium minerals. Symbol: Hf; at. wt.: 178.49; at. no.: 72; sp. gr.: 12.1.
[1923; < New Latin Hafn(ia) Copenhagen + -ium2]

haf·ni·um

(hăf′nē-əm)
Symbol Hf A bright, silvery metallic element that occurs in zirconium ores. Because hafnium absorbs neutrons better than any other metal and is resistant to corrosion, it is used to control nuclear reactions. Atomic number 72. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hafnium - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium mineralshafnium - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
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.
Translations
hafnium
hafnium
hafnio
hafnium
hafnium
hafnium
hafnij
hafnium
hafnín
ハフニウム
hafnium
hafnis
hafnium
hafn
háfnio
hafniu
hafnium
hafnij
hafnium
hafniyum

hafnium

[ˈhæfnɪəm] Nhafnio m

hafnium

n (Chem) → Hafnium nt
References in periodicals archive ?
The report offers a 5 year outlook on the reviewed market, including Zirconium and Hafnium market volume predictions and price trends.
2014 Deep Research Report on Global and China Zirconium and Hafnium Industry is a 213 pages market study published in April 2014.
It takes 50-60 million years for all hafnium to decay and be converted into tungsten, and during the Moon forming collision nearly all the metal sank into the Earth's core.
Hafnium is a common metallic element used in nuclear reactors.
Under megabar pressures, samples of zirconium and hafnium -- so-called rare earth or transition mettal elements -- show substantial changes in shape and chemical character.
LONDON -- In 2010 the demand for Zirconium and Hafnium market is forecast to keep growing.
Our family of nuclear-grade zirconium and hafnium alloys meets the corrosion resistance, strength and material property requirements of this mission-critical operating environment.
com/research/dxt2tf/zirconium_and) has announced the addition of the "Zirconium and hafnium Global Market Review 2014/2015" report to their offering.
The elements* erbium (Er) and hafnium (Hf) and the element symbols Al (aluminium or aluminum) and N (nitrogen) are alphanumerically truthful.
Washington, Jan 16 ( ANI ): Researchers have managed for the first time to determine the isotope composition of the rare trace elements Hafnium and Neodymium in 2,700 million year-old seawater by using high purity chemical sediments from Temagami Banded Iron Formation (Canada) as an archive.
The element hafnium is derived from the Latin name for which European capital?