cesium

or cae·si·um

[ see-zee-uhm ]

/ ˈsi zi əm /

noun

a rare, highly reactive, soft, metallic element of the alkali metal group, used chiefly in photoelectric cells. Symbol: Cs; atomic weight: 132.905; atomic number: 55; specific gravity: 1.9 at 20°C; melts at 28.5°C.

Origin of cesium

1930–35; <New Latin, special use of Latin caesium, neuter of caesius bluish-grey; see -ium

Words nearby cesium

cesarean hysterectomy, cesarean section, cesarevitch, Cesca chair, Cesena, cesium, cesium 137, České Budějovice, Československo, Cesky terrier, cespitose

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cesium

Even at the Chernobyl meltdown in 1986, he pointed out, cesium and iodine were the problem.
The Toxic Fuel Inside Japan's Nuclear Plant|Eve Conant|March 15, 2011|DAILY BEAST

British Dictionary definitions for cesium

cesium

/ (ˈsiːzɪəm) /

noun

the usual US spelling of caesium

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for cesium

cesium

n. Symbol Cs

A soft ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells. Atomic number 55.

Scientific definitions for cesium

cesium

[ sē′zē-əm ]

Cs

A soft, ductile, silvery-white element of the alkali group. It is liquid at room temperature and is the most reactive of all metals. Cesium is used to make photoelectric cells, electron tubes, and atomic clocks. Atomic number 55; atomic weight 132.905; melting point 28.5°C; boiling point 690°C; specific gravity 1.87; valence 1. See Periodic Table.

单词	cesium
释义	cesium or cae·si·um [ see-zee-uhm ] / ˈsi zi əm / noun a rare, highly reactive, soft, metallic element of the alkali metal group, used chiefly in photoelectric cells. Symbol: Cs; atomic weight: 132.905; atomic number: 55; specific gravity: 1.9 at 20°C; melts at 28.5°C. Origin of cesium 1930–35; <New Latin, special use of Latin caesium, neuter of caesius bluish-grey; see -ium Words nearby cesium cesarean hysterectomy, cesarean section, cesarevitch, Cesca chair, Cesena, cesium, cesium 137, České Budějovice, Československo, Cesky terrier, cespitose Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cesium Even at the Chernobyl meltdown in 1986, he pointed out, cesium and iodine were the problem. The Toxic Fuel Inside Japan's Nuclear Plant\|Eve Conant\|March 15, 2011\|DAILY BEAST British Dictionary definitions for cesium cesium / (ˈsiːzɪəm) / noun the usual US spelling of caesium Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for cesium cesium n. Symbol Cs A soft ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells. Atomic number 55. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cesium cesium [ sē′zē-əm ] Cs A soft, ductile, silvery-white element of the alkali group. It is liquid at room temperature and is the most reactive of all metals. Cesium is used to make photoelectric cells, electron tubes, and atomic clocks. Atomic number 55; atomic weight 132.905; melting point 28.5°C; boiling point 690°C; specific gravity 1.87; valence 1. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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