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POIDS TROY [2 records]

Record 1 2007-07-17

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Precious Metals (Metallurgy)
DEF

A system of units for measuring mass, traditionally used for weighing gems and precious metals. One pound troy weight is equal to about 0.373 kilograms.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Métaux précieux (Métallurgie)
DEF

Système pondéral d’origine anglaise, devenu international pour les métaux précieux. Il a pour origine les poids utilisés à Troyes à l'époque médiévale. La livre troy de 12 onces vaut 373, 242 g.

OBS

On retrouve, moins fréquemment, ces termes avec une majuscule à «troy».

Spanish

Save record 1

Record 2 2007-05-24

English

Subject field(s)
  • Jewellery
DEF

A unit of Troy weight used for weighing precious metals. The pennyweight contains 24 grains and is one-twentieth of an ounce.

OBS

Inexpensive gems, like amethyst and citrine, are sometimes sold by the pennyweight, which equals 7.78 carats.

French

Domaine(s)
  • Joaillerie et bijouterie
DEF

Unité de poids anglo-saxonne correspondant au 1/20 de l'once troy.

OBS

Le terme «denier de 24 grains» est tiré de La Bijouterie - Joaillerie, 1985, p. 231.

Spanish

Save record 2

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