TERMIUM Plus®

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

HEAT-ABSORBING FILTER [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-25

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Optics
  • Photography
DEF

An optical device for removing heat radiation from a light beam without appreciably affecting the light output - typically a glass filter containing a copper compound or a flat sided cell containing a dilute solution of a copper salt or a "diathermic reflector" which transmits infra-red but reflects visible light from the source onto, for example, the condenser of a projection system.

Key term(s)
  • heat-absorbing filter

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Optique
  • Photographie
DEF

[...] filtre, généralement en verre, qui absorbe ou réfléchit de grande longueur d'onde (infra-rouge), sans absorber ni réfléchir le rayonnement visible.

OBS

[Ce filtre est] utilisé pour diminuer la chaleur sur le plan focal dans les lecteurs, les agrandisseurs, les projecteurs, etc.

Key term(s)
  • filtre anti-calorique

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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