radiation

UK
/ˌreɪdiˈeɪʃən/
US
/ˌreɪdiˈeɪʃən/

Translations

radiationnoun
radiations
pl
rayonnementEmploi physique et médical courant.
The radiation from the sun is essential for life on Earth.
Le rayonnement du soleil est essentiel à la vie sur Terre.
Additional translations
radiation adaptativeVariante biologique également employée.
radiation évolutiveSens biologique.
radiationadjective
UK
/ˌreɪdiˈeɪʃən/
US
/ˌreɪdiˈeɪʃən/
Used only attributively; generally non-gradable.
radiologiqueEmploi technique et médical.
Radiation safety guidelines must be strictly followed in the laboratory.
Les consignes de sécurité radiologique doivent être strictement respectées dans le laboratoire.

Definitions

radiationnoun
The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
The radiation from the sun is essential for life on Earth.
The energy that is radiated or transmitted in the form of rays, waves, or particles.
The doctor explained that the radiation used in the X-ray is minimal and safe.
The diversification of a group of organisms into forms filling different ecological niches; adaptive radiation.
Darwin's finches are a classic example of adaptive radiation.
radiationadjective
Relating to or involving ionizing or other forms of radiation.
Radiation safety guidelines must be strictly followed in the laboratory.