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1. WordNet® 3.0 (2006) |
thallium
n 1: a soft grey malleable metallic element that resembles tin
but discolors on exposure to air; it is highly toxic and is
used in rodent and insect poisons; occurs in zinc blende
and some iron ores [syn: thallium, Tl, atomic number
81]
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2. The Collaborative International Dictionary of English v.0.48 |
Thallium \Thal"li*um\, n. [NL., fr. Gr. ? young or green shoot
or branch, twig. So called from a characteristic bright green
line in its spectrum.] (Chem.)
A rare metallic element of the aluminium group found in some
minerals, as certain pyrites, and also in the lead-chamber
deposit in the manufacture of sulphuric acid. It is isolated
as a heavy, soft, bluish white metal, easily oxidized in
moist air, but preserved by keeping under water. Symbol Tl.
Atomic weight 203.7.
[1913 Webster]
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3. The Elements (07Nov00) |
thallium
Symbol: Tl
Atomic number: 81
Atomic weight: 204.3833
Pure, unreacted thallium appears silvery-white and exhibits a metallic
lustre. Upon reacting with air, it begins to turn bluish-grey and looks
like lead. It is very malleable, and can be cut with a knife. There are
two stable isotopes, and four radioisotopes, Tl-204 being the most
stable
with a half-life of 3.78 years. Thallium sulphate was used as a
rodenticide.
Thallium sulphine's conductivity changes with exposure to infrared
light,
this gives it a use in infrared detectors. Discovered by Sir William
Crookes
via spectroscopy. Its name comes from the Greek word thallos, which
means
green twig. Thallium and its compounds are toxic and can cause cancer.
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Common Misspellings > |
Thallium hThallium hTallium ThTallium hallium TThallium Tahllium Thahllium Tallium Thhallium Thlalium Thalalium Thllium Thaallium Thalllium Thalium Thalllium Thalilum Thallilum Thalium Thalllium Thalluim Thalliuim Thallum Thalliium Thallimu Thalliumu Thallim Thalliuum Thallimum Thalliu Thalliumm 5hallium t5hallium 5thallium %hallium t%hallium %thallium 6hallium t6hallium 6thallium rhallium trhallium rthallium yhallium tyhallium ythallium fhallium tfhallium fthallium ghallium tghallium gthallium hhallium thhallium hthallium Ttallium Thtallium Tthallium Tyallium Thyallium Tyhallium Tuallium Thuallium Tuhallium Tgallium Thgallium Tghallium Tjallium Thjallium Tjhallium Tballium Thballium Tbhallium Tnallium Thnallium Tnhallium Tmallium Thmallium Tmhallium T allium Th allium T hallium Thqllium Thaqllium Thqallium Thwllium Thawllium Thwallium Thsllium Thasllium Thsallium Thxllium Thaxllium Thxallium Thzllium Thazllium Thzallium Th llium Tha llium Th allium Thellium Thillium Thollium Thullium Thaiiium Thaliiium Thaiilium Thaooium Thalooium Thaoolium Thappium Thalppium Thapplium Thakkium Thalkkium Thakklium Tha,,ium Thal,,ium Tha,,lium Tha..ium Thal..ium Tha..lium Thall8um Thalli8um Thall8ium Thall*um Thalli*um Thall*ium Thall9um Thalli9um Thall9ium Thalluum Thalliuum Thalluium Thalloum Thallioum Thalloium Thalljum Thallijum Thalljium Thallkum Thallikum Thallkium Thalllum Thallilum Thalllium Thallaum Thalleum Thalli7m Thalliu7m Thalli7um Thalli&m Thalliu&m Thalli&um Thalli8m Thalliu8m Thalli8um Thalliym Thalliuym Thalliyum Thalliim Thalliuim Thalliium Thallihm Thalliuhm Thallihum Thallijm Thalliujm Thallijum Thallikm Thalliukm Thallikum Thalliam Thalliem Thalliom Thalliuj Thalliumj Thalliujm Thalliuk Thalliumk Thalliukm Thalliul Thalliuml Thalliulm Thalliun Thalliumn Thalliunm Thalliu Thallium Thalliu m Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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