TERMIUM Plus®

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

MASS DEFECT [1 record]

Record 1 2011-12-16

English

Subject field(s)
  • Chemistry
  • Atomic Physics
DEF

The difference between the sum of the rest masses of the constituent nucleons of a particular nucleus and the mass of the nucleus itself.

OBS

This difference is due to the conversion of mass to energy when the nucleus is formed.

OBS

mass defect: term standardized by ISO.

French

Domaine(s)
  • Chimie
  • Physique atomique
DEF

Dans une réaction nucléaire, différence entre la somme des masses des particules qui réagissent, et la somme des masses des particules qui résultent de la réaction.

OBS

défaut de masse : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Química
  • Física atómica
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