TERMIUM Plus®

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

DICHROISME [3 records]

Record 1 2001-12-05

English

Subject field(s)
  • Optics
DEF

The property of some bodies of differing in color with the thickness of the transmitting layer

French

Domaine(s)
  • Optique
DEF

Propriété qu'ont certaines substances transparentes de produire, selon les conditions d'observation (épaisseur et concentration de la substance traversée, orientation du faisceau de lumière transmis, position de l'observateur, etc.) deux couleurs différentes.

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Campo(s) temático(s)
  • Óptica
Save record 1

Record 2 2000-02-08

English

Subject field(s)
  • Fish
  • Animal Reproduction
  • Insects, Centipedes, Spiders, and Scorpions
CONT

coloration in fishes often serves as a mark of sexual distinction and recognition ...; it is termed sexual dichromatism.

French

Domaine(s)
  • Poissons
  • Reproduction des animaux
  • Insectes, mille-pattes, araignées et scorpions
CONT

C'est dans la coloration que se manifestent les plus grandes différences sexuelles [...]. Les plus frappants exemples d'un tel dichroïsme sexuel [...]

Spanish

Save record 2

Record 3 1993-10-26

English

Subject field(s)
  • Jewellery
  • Gemmology
DEF

An optical property possessed by some colored doubly-refracting gemstones in which the two refracted rays undergo differential selective absorption and emerge differing in colour or in depth of colour.

CONT

The property in doubly refracting coloured stones or exhibiting two or more different colours according to the direction in which they are viewed.

French

Domaine(s)
  • Joaillerie et bijouterie
  • Gemmologie
DEF

Propriété de paraître des couleurs différentes en fonction de l'épaisseur de la pierre et de l'inclinaison des rayons.

CONT

Il y a dichroïsme lorsque l'absorption des vibrations principales ne varie pas de la même manière pour les différentes longueurs d'onde. On observera deux orientations principales situées à 90° l'une de l'autre.

Spanish

Save record 3

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