TERMIUM Plus®

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

PUITS NATUREL [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-07-15

English

Subject field(s)
  • Hydrology and Hydrography
  • Geomorphology and Geomorphogeny
  • Water Collection (Water supply)
DEF

An abrupt depression in the land surface, not made by human agency, which extends into the zone of saturation but from which water does not flow to the surface except by an artificial process.

OBS

[This depression] has a small water surface, is deep in proportion to its water surface and has steep sides.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Géomorphologie et géomorphogénie
  • Captage des eaux
DEF

Trou vertical ou d'inclinaison faible, grossièrement circulaire et de profondeur variable. [Définition recommandée par l'Office de la langue française du Québec.]

OBS

puits naturel : terme recommandé par l'OLF.

PHR

Puits naturel d'effondrement.

Spanish

Save record 1

Record 2 2002-03-09

English

Subject field(s)
  • Chemical Elements and Compounds
  • Air Pollution
DEF

Naturally occurring substance that removes another from the environment.

CONT

An "unexpected missing factor" may have surfaced in 1976 when the presence of trace levels of chlorine nitrate were detected in the stratosphere. The minor natural sink for ozone may furnish a way of scavenging the chlorine atoms generated from Freons, thereby reducing their effect on the ozone layer.

French

Domaine(s)
  • Éléments et composés chimiques
  • Pollution de l'air
DEF

Ce qui contribue, à l'exception des produits chimiques d'origine anthropique, à faire disparaître définitivement une espèce chimique d'un milieu.

OBS

Les oxydes d'azote présents naturellement dans la stratosphère par photodissociation constituent un puits naturel pour le chlore en formant du nitrate de chlore (C1ONO2).

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Contaminación del aire
Save record 2

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