TERMIUM Plus®

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

PAVILION BUTTERFLY GAUGE [1 record]

Record 1 2007-01-19

English

Subject field(s)
  • Measuring Instruments (Engineering)
  • Gemmology
  • Diamond Industry
DEF

An instrument used to measure pavilion angles of 39°, 40°, 41° and 42°.

OBS

... equipment/supplies used by fancy shape specialists: ... o) gauges (See Figure F 1), including: - for crown: crown gauge; - for pavilion: butterfly gauge; magnetic gauge; protractor gauge; rectangle gauge ...

OBS

Figure C/B 1.

Key term(s)
  • butterfly gage
  • pavilion butterfly gage

French

Domaine(s)
  • Instruments de mesure (Ingénierie)
  • Gemmologie
  • Industrie diamantaire
DEF

Calibre servant à la mesure d'angles de culasse de 39°, 40°, 41° et 42°.

OBS

calibre : Instrument servant à la mesure des angles pour la taille du diamant ainsi que pour mesurer les dimensions d'un diamant taillé ou non.

Spanish

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