TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PHOTODISSOCIATION [1 record]

Record 1 2011-03-30

English

Subject field(s)
  • Chemistry
DEF

Chemical decomposition by the action of radiant electromagnetic energy, especially light.

DEF

Chemical decomposition or dissociation by the action of radiant energy (as light).

French

Domaine(s)
  • Chimie
DEF

Ensemble des phénomènes de décomposition chimique par la lumière, et en particulier par les rayons ultraviolets.

OBS

Le terme «photolyse» a une aire sémantique un peu plus étendue que «photodissociation»; il est de niveau technique par rapport à son synonyme «photodécomposition». Ces trois termes sont toutefois synonymes dans le domaine de l'ozone atmosphérique.

Spanish

Campo(s) temático(s)
  • Química
DEF

Reacciones bioquímicas que por medio de energía luminosa provocan la descomposición de moléculas de agua y la liberación de oxígeno, iones de hidrógeno y electrones.

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