TERMIUM Plus®

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

ALPHA-RAYS [1 record]

Record 1 - external organization data 2010-09-15

English

Subject field(s)
  • Atomic Physics
  • Compartment - Canadian Nuclear Safety Commission
DEF

Strongly ionizing radiation consisting of a stream of alpha particles emitted at high velocity by radioactive substances.

OBS

[It] has little external penetrating power but can be harmful if radioactive elements are breathed or swallowed.

Key term(s)
  • alpha rays

French

Domaine(s)
  • Physique atomique
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Rayonnement composé de particules alpha.

CONT

Les rayons alpha sont peu pénétrants mais fortement ionisants.

CONT

Les rayons alpha. Les particules alpha sont chargées positivement et sont émises par des éléments naturellement radioactifs, comme l'uranium et le radium, ainsi que par des éléments artificiels.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
DEF

Radiaciones de partículas formadas por núcleos de helio que se desplazan a gran velocidad.

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