TERMIUM Plus®

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

ASTHENOSPHERE [1 record]

Record 1 2011-04-12

English

Subject field(s)
  • Plate Tectonics
DEF

A soft, solid layer of the Earth’s mantle that flows slowly and moves the Earth’s plates.

OBS

Because the radioactive source of heat is deep within the mantle, the fluid asthenosphere circulates as convection currents underneath the solid lithosphere.

French

Domaine(s)
  • Tectonique des plaques
DEF

Couche de roche plastique, mais néanmoins cohérente, constituant la partie inférieure du manteau supérieur et sur laquelle glissent les plaques lithosphériques rigides.

OBS

[L'asthénosphère] serait le siège de courants de convection qui sont considérés comme le moteur de l'expansion des fond océaniques.

Spanish

Campo(s) temático(s)
  • Tectónica de placas
DEF

Parte débil y plástica, correspondiente al manto terráqueo externo.

OBS

Está situada bajo la litosfera, que aún comprende en su base la parte más externa del manto. Su grosor es de algunas centenas de kilómetros.

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: