TERMIUM Plus®

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

RADIOISOTOPO [4 records]

Record 1 2015-05-06

English

Subject field(s)
  • Atomic Physics
  • Chemistry
DEF

An isotope that undergoes spontaneous decay and emits radiation.

CONT

All atoms with nuclei containing the same number of protons have identical chemical properties and are called isotopes of the element in question. Isotopes may be radioactive or stable.

OBS

radioisotope: This term should not be used with the meaning of radionuclide.

OBS

radioisotope: term standardized by ISO in 1997.

French

Domaine(s)
  • Physique atomique
  • Chimie
DEF

Isotope qui subit une désintégration spontanée et émet un rayonnement.

OBS

radio-isotope : Ce terme ne doit pas être employé dans le sens de radionucléide.

OBS

radio-isotope : terme normalisé par l'ISO en 1997.

Spanish

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

Variante de un elemento químico con el mismo número de electrones y neutrones pero diferente número de neutrones y propiedades radiactivas.

Key term(s)
  • isótopo radioactivo
Save record 1

Record 2 2012-03-06

English

Subject field(s)
  • Radiography (Medicine)
  • Nuclear Medicine
DEF

A two-dimensional representation ... of the gamma rays emitted by a radioisotope, revealing its varying concentration in a specific tissue of the body.

French

Domaine(s)
  • Radiographie (Médecine)
  • Médecine nucléaire
DEF

Image d'un organe obtenue par la scintigraphie.

Spanish

Campo(s) temático(s)
  • Radiografía (Medicina)
  • Medicina nuclear
DEF

Representación bidimensional(mapa) de la radiación gamma emitida por un radioisótopo, que pone de manifiesto la variación de su concentración en el tejido específico en estudio, como cerebro, riñón o tiroides.

Save record 2

Record 3 2011-05-18

English

Subject field(s)
  • Atomic Physics
CONT

Constituents of the waste material are a mix of long- and short-lived radioisotopes. Some have radioactive decay half-lives of no more than tens of years, while others must be isolated from the biosphere for many thousands of years. Dividing the high-level waste into actinides and fission products (a process called partitioning), would permit managing the materials as separate classes.

Key term(s)
  • long lived radioisotope

French

Domaine(s)
  • Physique atomique
Key term(s)
  • radioisotope à période longue
  • radioisotope de longue période
  • radioisotope à longue période
  • radioisotope à longue durée de vie
  • radioisotope à vie longue

Spanish

Campo(s) temático(s)
  • Física atómica
Save record 3

Record 4 1996-06-05

English

Subject field(s)
  • Atomic Physics
CONT

Constituents of the waste material are a mix of long- and short-lived radioisotopes. Some have radioactive decay half-lives of no more than tens of years, while others must be isolated from the biosphere for many thousands of years. Dividing the high-level waste into actinides and fission products (a process called partitioning), would permit managing the materials as separate classes.

OBS

See also "half-life".

French

Domaine(s)
  • Physique atomique
OBS

Termes proposés à partir de «radio-isotope à période longue» (dans TERMIUM), de «déchet de courte période» (Q2385 1988 p. 80), de «élément à courte période» (Q2385 1988 p. 77), de «produit radioactif de courte période» (Q2385 p. 32), de «déchet à vie courte» (RENUC 1988 vol. 4, p. 289), de «déchet de courte durée de vie» (Q2385 p. 59), et de «élément à (ou de) courte période» (TECHN 1982 vol. B8-II, p. 3660-3).

OBS

Voir «période radioactive» dans TERMIUM.

Key term(s)
  • radioisotope à période courte
  • radioisotope à courte période
  • radioisotope à vie courte
  • radioisotope de courte durée de vie
  • radioisotope à durée de vie courte
  • isotope radioactif à période courte
  • isotope radioactif à courte période
  • isotope radioactif à vie courte
  • isotope radioactif de courte durée de vie
  • isotope radioactif à durée de vie courte

Spanish

Campo(s) temático(s)
  • Física atómica
Key term(s)
  • isótopo radiactivo de vida media corta
  • isótopo radiactivo de corto período
  • isótopo radiactivo de corta vida
  • radioisótopo de vida corta
Save record 4

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