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1. WordNet® 3.0 (2006) |
caesium
n 1: a soft silver-white ductile metallic element (liquid at
normal temperatures); the most electropositive and alkaline
metal [syn: cesium, caesium, Cs, atomic number 55]
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2. The Collaborative International Dictionary of English v.0.48 |
caesium \caesium\, Caesium \C[ae]"si*um\(s[=e]"z[-e]*[u^]m), n.
[NL., from L. caesius bluish gray.] (Chem.)
A rare alkaline metal found in mineral water; -- so called
from the two characteristic blue lines in its spectrum. It
was the first element discovered by spectrum analysis, and is
the most strongly basic and electro-positive substance known.
Symbol Cs. Atomic number 55. Atomic weight 132.6.
Syn: cesium, Cs
[1913 Webster]
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3. The Elements (07Nov00) |
caesium
Symbol: Cs
Atomic number: 55
Atomic weight: 132.90545
Soft silvery-white metallic element belonging to group 1 of the periodic
table. One of the three metals which are liquid at room temperature.
Cs-133
is the natural, and only stable, isotope. Fifteen other radioisotopes
exist.
Caesium reacts explosively with cold water, and ice at temperatures
above
157K. Caesium hydroxide is the strongest base known. Caesium is the most
electropositive, most alkaline and has the least ionization potential of
all the elements. Known uses include the basis of atomic clocks,
catalyst
for the hydrogenation of some organic compounds, and in photoelectric
cells.
Caesium was discovered by Gustav Kirchoff and Robert Bunsen in Germany
in
1860 spectroscopically. Its identification was based upon the bright
blue
lines in its spectrum. The name comes from the latin word caesius, which
means sky blue. Caesium should be considered highly toxic. Some of the
radioisotopes are even more toxic.
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Common Misspellings > |
Caesium aCaesium aCesium CaCesium aesium CCaesium Ceasium Caeasium Cesium Caaesium Caseium Caeseium Casium Caeesium Caeisum Caesisum Caeium Caessium Caesuim Caesiuim Caesum Caesiium Caesimu Caesiumu Caesim Caesiuum Caesimum Caesiu Caesiumm saesium csaesium scaesium daesium cdaesium dcaesium faesium cfaesium fcaesium xaesium cxaesium xcaesium vaesium cvaesium vcaesium aesium c aesium caesium Cqesium Caqesium Cqaesium Cwesium Cawesium Cwaesium Csesium Casesium Csaesium Cxesium Caxesium Cxaesium Czesium Cazesium Czaesium C esium Ca esium C aesium Ceesium Ciesium Coesium Cuesium Ca3sium Cae3sium Ca3esium Ca#sium Cae#sium Ca#esium Ca4sium Cae4sium Ca4esium Cawsium Caewsium Cawesium Carsium Caersium Caresium Cassium Caessium Casesium Cadsium Caedsium Cadesium Cafsium Caefsium Cafesium Caasium Caisium Caosium Causium Caeqium Caesqium Caeqsium Caewium Caeswium Caewsium Caeeium Caeseium Caeesium Caeaium Caesaium Caeasium Caedium Caesdium Caedsium Caezium Caeszium Caezsium Caexium Caesxium Caexsium Caecium Caescium Caecsium Cae ium Caes ium Cae sium Caes8um Caesi8um Caes8ium Caes*um Caesi*um Caes*ium Caes9um Caesi9um Caes9ium Caesuum Caesiuum Caesuium Caesoum Caesioum Caesoium Caesjum Caesijum Caesjium Caeskum Caesikum Caeskium Caeslum Caesilum Caeslium Caesaum Caeseum Caesi7m Caesiu7m Caesi7um Caesi&m Caesiu&m Caesi&um Caesi8m Caesiu8m Caesi8um Caesiym Caesiuym Caesiyum Caesiim Caesiuim Caesiium Caesihm Caesiuhm Caesihum Caesijm Caesiujm Caesijum Caesikm Caesiukm Caesikum Caesiam Caesiem Caesiom Caesiuj Caesiumj Caesiujm Caesiuk Caesiumk Caesiukm Caesiul Caesiuml Caesiulm Caesiun Caesiumn Caesiunm Caesiu Caesium Caesiu 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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