Irradiation
ɪˌreɪdiˈeɪʃən
Definitions
2 meaningsThe process of exposing a substance or object to radiation, such as light, heat, or ionizing radiation.
ɪˌreɪdiˈeɪʃən
Exposure to radiation
The scientist studied the effects of irradiation on plant growth.
💡 Simply: It's like shining a really strong light or energy on something. Think of the sun's rays hitting you, or how doctors use special rays to treat cancer. That's irradiation.
👶 For kids: It's like when you put something under a special kind of light or energy.
More Examples
Food irradiation is used to extend the shelf life of certain products.
Prolonged irradiation can be harmful to human health.
How It's Used
"Patients undergoing cancer treatment often receive irradiation."
"The reactor core is subject to intense irradiation."
"Some foods are preserved through irradiation to kill bacteria."
The action or process of radiating, as of light or heat.
ɪˌreɪdiˈeɪʃən
The act of shining or beaming light
The irradiation from the lighthouse guided ships safely to harbor.
💡 Simply: It's like something shining a light or sending out energy. Imagine the sun spreading its warmth, or a lightbulb lighting up a room. That's irradiation in a simpler sense.
👶 For kids: It's like when something shines light or heat.
More Examples
The warm irradiation of the setting sun painted the sky with vibrant colors.
How It's Used
"The irradiation of the sun filled the landscape."
Synonyms & Antonyms
Antonyms
From Latin *irradiatus*, past participle of *irradiare* ('to illuminate, brighten'), from *in-* ('in, on') + *radiare* ('to beam, shine').
The term 'irradiation' has been used since the mid-19th century, initially referring to the emission of light or rays. Its modern usage, particularly in medical and scientific contexts, became prominent in the 20th century with the development of radiation technologies.
Memory tip
Imagine a beam of light *radiating* outward, hitting something. Think about the exposure to that radiating energy.
Word Origin
"to beam, shine"