🇩🇪German Source WordCode: DE

Wärmestrahlung

Pronunciation / Transliteration: wärmestrahlung

🇬🇧 Direct English Meaning:
Thermal Radiation/ˈθɜːr.məl ˌreɪ.diˈeɪ.ʃən/
nounCEFR B2 (Upper)Top #1500 frequency
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🇩🇪 Example Sentence in German:

"Die Wärmestrahlung der Sonne ist für das Leben auf der Erde unerlässlich."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

    "The sun's thermal radiation is essential for life on Earth."
  2. 2

    Heat energy that is transferred through electromagnetic waves, which can occur in a vacuum.

    "Thermal radiation can be observed in the warmth felt from a fire even at a distance."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'thermal' originates from the Greek word 'thermos', meaning heat, while 'radiation' comes from the Latin 'radiatio', meaning a sending out or spreading. The combination reflects the scientific understanding of heat transfer through electromagnetic waves, a concept that evolved significantly during the 19th century with advancements in thermodynamics and physics.

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