Definition of Radiation in English :

Define Radiation in English

Radiation meaning in English

Meaning of Radiation in English

Pronunciation of Radiation in English

Radiation pronunciation in English

Pronounce Radiation in English


see synonyms of radiation


1. radiation

energy that is radiated or transmitted in the form of rays or waves or particles

2. radiation

the act of spreading outward from a central source

3. radiation, radiation sickness, radiation syndrome

syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours

Example Sentences:
'he was suffering from radiation'

4. radiation, radioactivity

the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

5. radiation

the spread of a group of organisms into new habitats

6. radiation

a radial arrangement of nerve fibers connecting different parts of the brain

7. actinotherapy, irradiation, radiation, radiation therapy, radiotherapy

(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of radiation
1. physics
the emission or transfer of radiant energy as particles, electromagnetic waves, sound, etc
the particles, etc, emitted, esp the particles and gamma rays emitted in nuclear decay
2. Also called: radiation therapy medicine
treatment using a radioactive substance
3. anatomy
a group of nerve fibres that diverge from their common source
4.  adaptive radiation
the act, state, or process of radiating or being radiated
6. surveying
the fixing of points around a central plane table by using an alidade and measuring tape

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of radiation
the act or process of radiating; specif., the process in which energy in the form of rays of light, heat, etc. is sent out through space from atoms and molecules as they undergo internal change
the rays sent out; radiant energy
radial arrangement of parts
4.  Biology
adaptive radiation
5.  Nuclear Physics
energy emitted as electromagnetic waves, as gamma or X-rays, or as energetic nuclear particles, as neutrons, alpha and beta particles, etc.

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of radiation
1. The act or process of radiating: the radiation of heat and light from a fire.
2. Physics
a. Emission or propagation of energy in the form of waves or particles.
b. Energy radiated or transmitted in the form of waves or particles.
c. A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.
a. The act of exposing or the condition of being exposed to such energy.
b. The application of such energy, as in medical treatment.
4. Anatomy Radial arrangement of parts, as of a group of nerve fibers connecting different areas of the brain.
5. Adaptive radiation

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.