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GRAYNESS [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2018-03-16

English

Subject field(s)
  • Symptoms (Medicine)
  • Hair Styling
DEF

A type of grayness or whiteness of the hair which is hereditary.

CONT

Congenital canities exists at or before birth. It occurs in albinos and occasionally in persons with perfectly normal hair.

OBS

congenital canities: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Symptômes (Médecine)
  • Coiffure
CONT

La canitie congénitale ou leucotrichie est une des manifestations de l'albinisme (les mélanocytes sont en nombre normal, mais il existe une inactivité génétique de la tyrosinase, qui est indispensable pour la synthèse de la mélanine).

CONT

La canitie congénitale [...] est une anomalie due à l'absence de mélanine. [...] C'est un phénomène héréditaire.

OBS

canitie congénitale; leucotrichie : termes uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 1

Record 2 2014-11-24

English

Subject field(s)
  • Measuring Instruments
  • Lithography, Offset Printing and Collotype
DEF

A piece of equipment commonly used by printers and inkmakers to measure hue, strength(density or value), and purity(chroma or grayness) of a colour sample.

OBS

It is very useful as a production tool for ink density control during a press run, and is commonly used by printers for that purpose.

Key term(s)
  • reflection densitometre

French

Domaine(s)
  • Appareils de mesure
  • Lithographie, offset et phototypie
DEF

[Appareil] qui mesure le pourcentage de couverture de l'encre, l'engraissement du point de trame en pourcentage pour deux valeurs de référence indépendantes par couleur, la densité des aplats, l'écart de densités et les différences de densité.

Spanish

Save record 2

Record 3 2004-05-21

English

Subject field(s)
  • Environmental Studies and Analyses
DEF

A chart used in air pollution evaluation for assigning an arbitrary number, referred to as "smoke density", to smoke emanating from any source. This chart is designed specifically for the subjective estimation of the density of black smoke and is not applicable to other emissions. The observer compares the grayness of the smoke with a series of shade diagrams, formed by horizontal and vertical lines on a white background.

Key term(s)
  • Ringelmann's scale

French

Domaine(s)
  • Études et analyses environnementales
DEF

Carte de 13x9 cm portant 4 plages opaques, servant à déterminer l'opacité d'un panache de fumée par comparaison.

CONT

Primitivement, l'échelle de Ringelmann était réalisée sur un support de grandes dimensions et son emploi demandait deux opérateurs; on dispose actuellement de cartes d'environ 13x9 cm, comportant les quatre plages de nuances coupées par une fente. Le panache de fumée est observé à travers la fente, l'échelle étant tenue à bout de bras.

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
DEF

Escala del gris dividida en cinco partes utilizada para la valoración óptica de penachos de humo.

Save record 3

Record 4 1999-04-22

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
DEF

A circular diagram for plotting data relative to colour(i. e. hue and grayness) in order to determine the suitability of inks for colour reproduction, e. g. the GATF(Graphic Arts Technical Foundation) chromatic circle.

Key term(s)
  • color circle
  • color disk
  • color disc

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
DEF

Diagramme qui donne un moyen simple d'exprimer visuellement l'erreur de teinte et le gris des encres colorées, par exemple, le cercle chromatique de Maxwell.

Spanish

Save record 4

Record 5 1999-02-11

English

Subject field(s)
  • Optics
DEF

The quality or state of being achromatic(as grayness of a color).

French

Domaine(s)
  • Optique
DEF

État de ce qui est achromatique.

OBS

achromatique : sans teinte.

Spanish

Campo(s) temático(s)
  • Óptica
Save record 5

Record 6 1996-08-13

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
OBS

The colour triangle is a diagram developed by the Graphic Arts Technical Foundation for plotting data relative to colour(i. e. hue and grayness) in order to determine the suitability of inks for colour reproduction. Although both the colour triangle and the colour circle serve the same purpose, the advantage of the triangle is that the mixture of two colours falls on a straight line joining the two colours, whereas on the circle the lines are curved.

OBS

The triangle has also been modified so that masking percentages for photography can be read directly from the triangle. Masking percentages can also be derived from the circle, but a specific template must be used.

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
OBS

Le triangle chromatique donne un moyen simple d'exprimer visuellement l'erreur de teinte et le gris des encres colorées.

Spanish

Save record 6

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