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[rey-dee-ey-tiv] /ˈreɪ diˌeɪ tɪv/
giving off radiation.
Also, radiatory
[rey-dee-uh-tawr-ee, -tohr-ee] /ˈreɪ di əˌtɔr i, -ˌtoʊr i/ (Show IPA)
Origin of radiative
1830-40; radiat(ion) + -ive
Related forms
nonradiative, adjective
subradiative, adjective
unradiative, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for radiative
  • Outside the core, the sun has a relatively quiet radiative zone.
  • The radiative effects of water and clouds are at a maximum in this region.
  • Changes in climate are drive by long-term changes in the sun's radiative output and magnetic field strength.
  • The heating rate due to the divergence of long and shortwave radiative flux.
  • radiative forcing is called instantaneous if no change in stratospheric temperature is accounted for.
  • radiative forcing of climate change over the industrial period.
British Dictionary definitions for radiative


(physics) emitting or causing the emission of radiation: a radiative collision
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
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Word Origin and History for radiative

"having a tendency to radiate," 1820, from radiate (v.) + -ive. Related: Radiativity.

Online Etymology Dictionary, © 2010 Douglas Harper
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