cobalt 60

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noun Chemistry.

a radioactive isotope of cobalt having a mass number of 60 and a half-life of 5.2 years, used chiefly in radiotherapy.

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Origin of cobalt 60

First recorded in 1945–50

Words nearby cobalt 60

coaxial cable, cob, cobaea, cobalamin, cobalt, cobalt 60, cobaltammine, cobalt bloom, cobalt blue, cobalt bomb, cobalt green

How to use cobalt 60 in a sentence

Ultimately Cobalt housed, at one point or another, nearly half of the 119 detainees identified by the report.
Inside the CIA’s Sadistic Dungeon|Tim Mak|December 9, 2014|DAILY BEAST
Ridha al-Najjar was the first to be held at detention site Cobalt.
Inside the CIA’s Sadistic Dungeon|Tim Mak|December 9, 2014|DAILY BEAST
Self-described 9/11 mastermind Khalid Sheikh Mohammed was also kept at Cobalt after his March 2003 in Pakistan.
Inside the CIA’s Sadistic Dungeon|Tim Mak|December 9, 2014|DAILY BEAST
In fact, four of 20 cells at Cobalt were found to have bars across the cell to allow this.
Inside the CIA’s Sadistic Dungeon|Tim Mak|December 9, 2014|DAILY BEAST

In Aug. 2003, Muller said he believed Cobalt was merely a holding facility.
Inside the CIA’s Sadistic Dungeon|Tim Mak|December 9, 2014|DAILY BEAST
Three are mentioned by Cennino—indigo, a cobalt, and ultramarine.
Blackwood's Edinburgh Magazine, Volume 57, No. 356, June, 1845|Various
Our scientists say the gases of the comet in some unexplained way altered the iron in the hmoglobin of our blood to cobalt.
The Onslaught from Rigel|Fletcher Pratt
Then he did his job: he pressed a button which released two shards of fire metal in a housing of cobalt.
The Jewels of Aptor|Samuel R. Delany
The ore of cobalt, called zaffre, is found in several parts of Europe, but chiefly in Saxony.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry|Joseph Priestley
The calx of cobalt is of a deep blue colour, which, when fused, makes the blue glass called smalt.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry|Joseph Priestley

Cultural definitions for cobalt 60

cobalt 60

[ (koh-bawlt) ]

A radioactive isotope produced when neutrons bombard atoms of the element cobalt.

notes for cobalt 60

Cobalt 60 is a common substance used in radiation therapy for cancer.