TERMIUM Plus®

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HEAD FACET [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-04-12

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A crown and pavilion main facet adjacent to the head facet on pear and heart fancy shapes.

CONT

List the typical facets of a heart shape (see Figure F 18): a) girdle; b) table; 2 head facets; 2 shoulder facets; 2 belly facets; 2 wing facets; 8 stars; 16 halves ...

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Facette principale de couronne et de culasse adjacente à la facette de tête de couronne d'un diamant de taille fantaisie, poire ou cœur.

Spanish

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Record 2 2017-04-12

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

The crown main facet opposite the point facet of the heart and pear shapes.

CONT

List the typical facets of a heart shape (see Figure F 18): a) girdle; b) table; 2 head facets; 2 shoulder facets; 2 belly facets; 2 wing facets; 8 stars; 16 halves ...

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Facette principale de couronne opposée à la facette de pointe de couronne, d'une taille cœur ou poire.

OBS

Coins de tête de la partie supérieure.

Spanish

Save record 2

Record 3 2017-04-12

English

Subject field(s)
  • Gemmology
  • Diamond Industry
OBS

Pear and heart cuts.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
OBS

Coins de tête de la partie inférieure.

OBS

Tailles poire et cœur.

Spanish

Save record 3

Record 4 2006-06-08

English

Subject field(s)
  • Industrial Tools and Equipment
  • Gemmology
DEF

A mechanical device used for developing and polishing facets on faceted stones in a regular geometric manner.

OBS

In machines of this type the dop stick with the gem attached to it, is fitted into a "quill" which can be positioned at various precise angles via the "protractor." The quill moves up and down on the mast, which gives great control over the depth of cut, and a slotted index gear gives accurate control over the radial placement of facets. Stones cut on such equipment are usually described as "custom cut."

French

Domaine(s)
  • Outillage industriel
  • Gemmologie
CONT

On utilise une facetteuse pour polir la pierre, elle est constituée par un disque (ou plateau) et le support de la tige de taille.

OBS

Équipement utilisé pour la taille des pierres de couleur. Pour la taille des diamants, on utilise la pince (tang).

Spanish

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Record 5 2004-07-15

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

The plane of a facet of an object (as of a cube).

CONT

Maintain the dop at the correct angle, index and polishing direction :... d) balance the tang to ensure that its vertical axis is perpendicular to the scaife : check the level of the tang by using a : dial indicator; spirit level; facet plane(ensure that the contact area on the facet plane is parallel to the scaife plane in all head positions of the tang)...

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire

Spanish

Save record 5

Record 6 2004-07-13

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A crown main facet that is perpendicular to the longitudinal axis of the pear and marquise shapes.

CONT

Point facet. The facet opposite the head facet on pear-and heart-shaped diamonds.

OBS

Figures F 20 and F 24.

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Pour les tailles poire ou marquise, facette principale de couronne perpendiculaire à l'axe longitudinal du diamant.

CONT

Taille en 8/8. Ce travail comprend pour la partie supérieure 4 facettes, c'est-à-dire 2 excédents et 2 bezels de pointe, et pour la partie inférieure seulement 2 excédents.

OBS

Le terme bezel est employé lorsqu'on est à la phase du brillantage, ce qui ne semble pas être le cas ici.

Spanish

Save record 6

Record 7 2004-07-13

English

Subject field(s)
  • Gemmology
  • Diamond Industry
CONT

List the typical facets of a pear shape... c) for a traditional pavilion : 2 belly facets; 1 head facet; 2 shoulder facets; 2 wing facets; 16 halves; culet...

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire

Spanish

Save record 7

Record 8 2001-02-22

English

Subject field(s)
  • Radiography (Medicine)
  • Musculoskeletal System
DEF

A burst fracture of the ring of the atlas, with fractures both anterior and posterior to the facet joints. It is secondary to an axial load on top of the head. There are usually four breaks in the ring and lateral spread of the lateral masses.

French

Domaine(s)
  • Radiographie (Médecine)
  • Appareil locomoteur (Médecine)
DEF

Fracture par compression axiale du vertex qui fait éclater l'anneau atloïdien en rompant son arc antérieur et son arc postérieur. Classiquement, il existe quatre traits de fracture entraînant une luxation latérale des masses latérales de l'atlas.

Spanish

Save record 8

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