radiation

radiation, rayonnement radioactif

Énergie émise par des matières radioactives, qui peut nuire aux êtres vivants ou servir à des traitements médicaux.

En anglais simple : Energy released by radioactive materials that can damage living things or be used in medical treatment.

• The workers were exposed to radiation.
• She received radiation treatment for cancer.
• Thick walls protect staff from harmful radiation.

Expressions courantes : radiation exposure, radiation treatment, radiation sickness, a radiation leak

rayonnement, radiation

Énergie qui se propage dans l’espace ou la matière sous forme d’ondes ou de minuscules particules.

En anglais simple : Energy travelling through space or materials as waves or tiny particles.

• The sun gives off radiation.
• Dark surfaces absorb more heat radiation.
• Scientists measure the radiation emitted by distant stars.

Expressions courantes : solar radiation, heat radiation, electromagnetic radiation, emit radiation

rayonnement, émanation

Propagation de quelque chose vers l’extérieur à partir d’un centre ou d’une surface.

En anglais simple : The spreading of something outwards from a central point or surface.

• The radiation of joy filled the room.
• He sensed a radiation of love from the audience.
• The drawing shows the outward radiation of lines from a centre.

Comment l'utiliser : radiation of something from something (She felt a radiation of warmth from the welcoming crowd.)

Synonymes : emanation, outward spread

Expressions courantes : radiation of love, outward radiation, radiation of warmth