radiation
1
4.8
- noun
- /ˌreɪdiˈeɪʃən/
- In the lab, scientists measured the radiation emitted by the heated materials as it spread outward.
- thermal radiation
- radiation of heat
- heat transfer by radiation
Examples
-
How is this heat load dissipated each day through radiation, moist convection, thermal conduction, and subsurface transport?
Blog text (16) -
And then beyond that all radiation is rejected.
-
So if there was only radiation, it would go like that.
-
Establish the site of the pain; is there radiation or spreading pain?
Academic text (2011) -
But it's bad when it comes to infrared light, also known as thermal radiation or heat.
Academic text (2002) -
And the radiation that's missing there is going to be the radiation that hits the earth.
-
Since radioactive particles travel in a straight line... this tunnel will prevent the spread of radiation.
-
All of the skin, outer skin of the building, converts solar-radiation into electrical energy.
-
The patient was treated with concurrent chemotherapy and intensity-modulated radiation therapy.
Academic text (2008) -
Heat transfer and energy-efficient houses: Conduction, convection, and radiation as applied to passive heating and cooling systems.
Academic text (2009)
Synonyms
245
4.6
A substance like gas or smoke that is released into the air
7
8.3
Something that comes out from a place, like gas, light or a smell
2
6.3
Waves like light or sound moving through a material like air
2
5.0
Power that travels through space as light or radio waves
1
8.2
A number that shows how well a surface gives off heat as radiation
1
8.3
The spread of something through a place until it is present everywhere
1
8.8
The spread of pain or nerve signals beyond their original area
Compounds
- Specialized
9
3.9
A treatment that uses strong beams of energy to kill cancer cells
- Specialized
8
4.2
Waves of energy like radio, visible light, and X-rays that move through space
- Specialized
7
4.1
Low-level energy from natural sources in the environment, like cosmic rays and rocks, not from the thing being tested
- Specialized
3
5.7
An illness after a large amount of harmful radiation that causes nausea, vomiting, and hair loss
- Specialized
2
6.6
A weak glow of heat left from the Big Bang that fills the universe
- Specialized
2
5.7
A type of radiation made of tiny uncharged particles from atoms that can harm cells
- Specialized
1
6.9
A ring of charged particles held by Earth's magnetic field that surrounds the planet
- Specialized
1
7.6
Light and heat given off by an object that absorbs all light, changing colour with temperature
- Specialized
1
7.7
A faint microwave glow left from the early universe that fills space nearly evenly
- Specialized
1
4.0
Waves that carry sound and pictures through the air, like radio and TV signals
- Specialized
1
6.1
Radiation made of heavy particles that radioactive materials send out
- Specialized
1
6.1
The way an antenna sends out signal strength in different directions
- Specialized
1
8.5
The light and heat given off by a perfect object that absorbs all light, depending only on its temperature
- Specialized
1
7.1
A very small push that light gives to a surface when it hits it
- Specialized
1
6.3
A type of energy made of small fast particles released by radioactive materials
- Specialized
1
8.1
A stream of very small bits of matter, like atoms, that carries energy and can pass through things
- Specialized
1
6.1
An illness you get from very strong harmful rays that makes you vomit, lose hair, and can cause death
- Specialized
1
9.3
One species changes into many species that live in different places or do different jobs in nature
- Archaic
1
9.9
A flow of very small particles from radioactive sources that can pass through matter
- Specialized
1
8.4
A group of nerve fibers that carries sight signals to the part of the brain that sees
- Specialized
1
7.6
A picture that shows how an antenna sends a signal in different directions
- Specialized
1
8.6
Light that causes chemical changes in materials, such as ultraviolet or visible light
- Specialized
1
8.8
A rule that shows how much light or heat a perfect object gives at each color for a given temperature
- Archaic
A very small push on a surface caused by particles in a beam of light
- Specialized
A force from sound waves that pushes on a surface in the way the waves move
- Specialized
Waves of energy like light or X-rays that carry energy not matter
- Specialized
A tool that measures temperature of hot objects without touching them
How Wide
Surface Forms
Morphology
Etymology
Radiation comes from the Latin radius, meaning 'ray' or 'spoke', and gives the image of lines moving out from a center. That's why radiation also means the process of spreading outward in all directions, like light rays from a bulb.