radioactive

[ rey-dee-oh-ak-tiv ]

/ ˌreɪ di oʊˈæk tɪv /

SEE SYNONYMS FOR radioactive ON THESAURUS.COM

adjective Physics, Chemistry.

of, pertaining to, exhibiting, or caused by radioactivity.

Origin of radioactive

First recorded in 1895–1900; radio- + active

OTHER WORDS FROM radioactive

ra·di·o·ac·tive·ly, adverbnon·ra·di·o·ac·tive, adjectiveun·ra·di·o·ac·tive, adjective

Words nearby radioactive

Radin, radio, radioacoustics, radioactinium, radioactivate, radioactive, radioactive constant, radioactive dating, radioactive decay, radioactive iodine, radioactive isotope

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

Example sentences from the Web for radioactive

He was radioactive to those who once valued his political counsel and editorial avidity.
Murdoch on the Rocks: How a Lone Reporter Revealed the Mogul's Tabloid Terror Machine|Clive Irving|August 25, 2014|DAILY BEAST
The Japanese monster gets a $160 million blockbuster reboot and protects mankind against a pair of radioactive MUTOs.
'Godzilla' Director Gareth Edwards Says Godzilla Is a 'God' Protecting Mankind Against Climate Change|Marlow Stern|May 14, 2014|DAILY BEAST
The Iranians now have most of the know-how and most of the radioactive stuff they need to build a bomb.
Iranian Bombs and Black Swans in the Nuclear Negotiations|Christopher Dickey|December 17, 2013|DAILY BEAST
Was the Palestinian leader poisoned by radioactive polonium?
Arafat’s Polonium Poisoning Mystery Resurfaces|Christopher Dickey|November 7, 2013|DAILY BEAST

It can contain salts, metals, and sediments that are sometimes toxic or radioactive.
Did Floods Cause a Fracking Disaster in Colorado?|Josh Dzieza|September 19, 2013|DAILY BEAST
"Eighty-five isn't nearly as radioactive as the elements akin to it," he said.
The Raid on the Termites|Paul Ernst
Molten drops of radioactive lava skittered across the durilium hull as Kennon advanced the power.
The Lani People|J. F. Bone
There the radioactive gases produced by the explosion condense on and into this debris, producing radioactive fallout particles.
In Time Of Emergency|Department of Defense
The study of these radioactive elements has led to a new atomic theory.
Creative Chemistry|Edwin E. Slosson
In this case too it is associated with radioactive matter, which is almost ubiquitous.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various

British Dictionary definitions for radioactive

radioactive

/ (ˌreɪdɪəʊˈæktɪv) /

adjective

exhibiting, using, or concerned with radioactivity

Derived forms of radioactive

radioactively, adverb

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

Cultural definitions for radioactive

radioactive

A descriptive term for a material made up of atoms in which radioactivity occurs.

Medical definitions for radioactive

radioactive

[ rā′dē-ō-ăk′tĭv ]

adj.

Of or exhibiting radioactivity.

单词	radioactive
释义	radioactive [ rey-dee-oh-ak-tiv ] / ˌreɪ di oʊˈæk tɪv / SEE SYNONYMS FOR radioactive ON THESAURUS.COM adjective Physics, Chemistry. of, pertaining to, exhibiting, or caused by radioactivity. Origin of radioactive First recorded in 1895–1900; radio- + active OTHER WORDS FROM radioactive ra·di·o·ac·tive·ly, adverbnon·ra·di·o·ac·tive, adjectiveun·ra·di·o·ac·tive, adjective Words nearby radioactive Radin, radio, radioacoustics, radioactinium, radioactivate, radioactive, radioactive constant, radioactive dating, radioactive decay, radioactive iodine, radioactive isotope Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for radioactive He was radioactive to those who once valued his political counsel and editorial avidity. Murdoch on the Rocks: How a Lone Reporter Revealed the Mogul's Tabloid Terror Machine\|Clive Irving\|August 25, 2014\|DAILY BEAST The Japanese monster gets a $160 million blockbuster reboot and protects mankind against a pair of radioactive MUTOs. 'Godzilla' Director Gareth Edwards Says Godzilla Is a 'God' Protecting Mankind Against Climate Change\|Marlow Stern\|May 14, 2014\|DAILY BEAST The Iranians now have most of the know-how and most of the radioactive stuff they need to build a bomb. Iranian Bombs and Black Swans in the Nuclear Negotiations\|Christopher Dickey\|December 17, 2013\|DAILY BEAST Was the Palestinian leader poisoned by radioactive polonium? Arafat’s Polonium Poisoning Mystery Resurfaces\|Christopher Dickey\|November 7, 2013\|DAILY BEAST It can contain salts, metals, and sediments that are sometimes toxic or radioactive. Did Floods Cause a Fracking Disaster in Colorado?\|Josh Dzieza\|September 19, 2013\|DAILY BEAST "Eighty-five isn't nearly as radioactive as the elements akin to it," he said. The Raid on the Termites\|Paul Ernst Molten drops of radioactive lava skittered across the durilium hull as Kennon advanced the power. The Lani People\|J. F. Bone There the radioactive gases produced by the explosion condense on and into this debris, producing radioactive fallout particles. In Time Of Emergency\|Department of Defense The study of these radioactive elements has led to a new atomic theory. Creative Chemistry\|Edwin E. Slosson In this case too it is associated with radioactive matter, which is almost ubiquitous. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2\|Various British Dictionary definitions for radioactive radioactive / (ˌreɪdɪəʊˈæktɪv) / adjective exhibiting, using, or concerned with radioactivity Derived forms of radioactive radioactively, adverb 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 Words related to radioactive dangerous, hot, contaminated, energetic, irradiated Cultural definitions for radioactive radioactive A descriptive term for a material made up of atoms in which radioactivity occurs. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for radioactive radioactive [ rā′dē-ō-ăk′tĭv ] adj. Of or exhibiting radioactivity. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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radioactive

adjective Physics, Chemistry.

Origin of radioactive

OTHER WORDS FROM radioactive

Words nearby radioactive

Example sentences from the Web for radioactive

British Dictionary definitions for radioactive

adjective

Derived forms of radioactive

Words related to radioactive

Cultural definitions for radioactive

Medical definitions for radioactive

adj.