Share this entry

Pronunciation: / ʀɛjɔ̃ /

Translation of rayon in English:

nom masculin

  • 4 (Médecine, Physique) (radiation)
    radiation non dénombrable, ray
    les rayons X
    les rayons alpha/bêta/gamma/ultraviolets/infrarouges
    alpha/beta/gamma/ultraviolet/infrared rays
    rayon laser être traité or soigné aux rayons
    to undergo radiation treatment
    avoir une série de rayons (familier)
    to undergo a course of radiation treatment
    passer un objet aux rayons (X)
    to X-ray an object
  • 8 (domaine) See examples: c'est mon rayon (responsabilité)
    that's my department (familier)
    ce n'est pas mon rayon (affaire)
    that's not my concern
    it's ou that's not (really) my line
    il en connaît un rayon à ce sujet
    he knows a lot about it
  • 9 (Zoologie)un rayon (de ruche)
    a honeycomb


rayon de braquage

rayon cathodique

rayons cosmiques

rayon lumineux

  • light ray, ray of light

rayon de la mort

rayon terrestre

  • radius of the Earth

rayon vert

  • green flash

rayon visuel

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources


    Next Score:
    Word of the day confidant
    Pronunciation: ˈkɒnfɪdant
    a person with whom one shares a secret...