caesium

cae·si·um

 (sē′zē-əm)

n. Chiefly British

Variant of cesium.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

caesium

(ˈsiːzɪəm) or

cesium

n

(Elements & Compounds) a ductile silvery-white element of the alkali metal group that is the most electropositive metal. It occurs in pollucite and lepidolite and is used in photocells. The radioisotope caesium-137, with a half-life of 30.2 years, is used in radiotherapy. Symbol: Cs; atomic no: 55; atomic wt: 132.90543; valency: 1; relative density: 1.873; melting pt: 28.39±0.01°C; boiling pt: 671°C

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ce•si•um

(ˈsi zi əm)

n.

a rare highly reactive soft metallic element of the alkali metal group used chiefly in photoelectric cells. Symbol: Cs; at. wt.: 132.905; at. no.: 55; sp. gr.: 1.9 at 20°C; melts at 28.5°C.

[1861; < Latin caesium, neuter of caesius bluish gray (see -ium²); so named from the blue lines in its spectrum]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

caesium - a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal atomic number 55, cesium, Cs 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. cesium 137 - a radioactive isotope of cesium used in radiation therapy pollucite - a rare mineral that is an important source of cesium

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

цезий

cesium

cæsium

Cäsium

καίσιο

cesio

tseesium

cesium

césium

צזיום

cezij

cézium

sesín

cesio

セシウム

caesium

cezis

cesium

cesium

cez

césio

cesiu

цезий

cézium

cezij

cesium

sezyum

caesium

cesium (US) [ˈsiːzɪəm] N → cesio m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

caesium

, (US) cesium

n → Cäsium nt, → Zäsium nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007