reradiation: meaning, definition, pronunciation and examples

Low
UK/ˌriː.reɪ.diˈeɪ.ʃən/US/ˌri.reɪ.diˈeɪ.ʃən/

Formal / Technical

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Quick answer

What does “reradiation” mean?

The process of radiating energy (e.

Audio

Pronunciation

Definition

Meaning and Definition

The process of radiating energy (e.g., electromagnetic waves) again, especially after absorption or scattering.

Any subsequent or secondary emission of energy. In social contexts, it can metaphorically describe the redirection or redistribution of influence, information, or impact.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or grammatical differences. Spelling is identical. American English may use it slightly more in aerospace/defence contexts.

Connotations

Purely technical and neutral in both varieties.

Frequency

Equally rare in both, confined to specialised technical discourse.

Grammar

How to Use “reradiation” in a Sentence

the reradiation of [energy/heat/signal] from [source]reradiation by [object/material]to reduce/prevent/minimise reradiation

Vocabulary

Collocations

strong
thermal reradiationbackscatter reradiationelectromagnetic reradiationsolar reradiation
medium
process of reradiationcause reradiationprevent reradiation
weak
significant reradiationatmospheric reradiationsignal reradiation

Examples

Examples of “reradiation” in a Sentence

verb

British English

  • The material will reradiate the absorbed infrared energy.
  • The antenna was designed not to reradiate spurious signals.

American English

  • The surface reradiates heat back into the atmosphere.
  • The circuit was shielded to prevent it from reradiating interference.

adverb

British English

  • The energy was reradiated efficiently.
  • The signal was not reradiated coherently.

American English

  • Heat is reradiated rapidly from the dark surface.
  • The energy was reradiated isotropically.

adjective

British English

  • The reradiation loss was calculated.
  • They studied the satellite's reradiation properties.

American English

  • The reradiation pattern was mapped.
  • Improvements in reradiation efficiency were needed.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Used in physics, climatology, and engineering papers discussing energy transfer.

Everyday

Not used in everyday conversation.

Technical

Core context. Used in radar technology, radio astronomy, thermal management, and climate science.

Vocabulary

Synonyms of “reradiation”

Strong

scattering (in specific contexts)backscatter (for directional sense)

Neutral

re-emissionsecondary radiation

Weak

redistribution of energyreflection (in lay terms)

Vocabulary

Antonyms of “reradiation”

Watch out

Common Mistakes When Using “reradiation”

  • Misspelling as 're-radiation' (hyphen is occasionally used but the solid form is standard).
  • Using it as a verb ('to reradiate' is the verb form).
  • Confusing it with 'radiation' in general.

FAQ

Frequently Asked Questions

Not exactly. Reflection typically involves a direct bounce off a surface. Reradiation often implies absorption of energy by a material and its subsequent re-emission, possibly at different wavelengths or in different directions.

It is extremely rare. While one could metaphorically describe the spread of ideas as 'reradiation', it is not an established figurative use and would sound highly technical or forced.

The verb is 'to reradiate'.

It is a key component of the Earth's energy balance. The Earth absorbs solar radiation and then reradiates it as infrared (heat) radiation. Greenhouse gases affect how much of this reradiated heat escapes into space.

The process of radiating energy (e.

Reradiation is usually formal / technical in register.

Reradiation: in British English it is pronounced /ˌriː.reɪ.diˈeɪ.ʃən/, and in American English it is pronounced /ˌri.reɪ.diˈeɪ.ʃən/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Think: 'RE' + 'RADIATION' = Radiation given out AGAIN. Like a satellite absorbing solar heat and then RE-radiating it into space.

Conceptual Metaphor

ENERGY IS A FLUID THAT CAN BE RE-POURED. Information/Influence as reradiated waves.

Practice

Quiz

Fill in the gap
The stealth material was engineered to absorb radar waves rather than them.
Multiple Choice

In which field is the term 'reradiation' MOST commonly used?