TERMIUM Plus®

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

SEXTANT VERNIER [2 records]

Record 1 1997-04-22

English

Subject field(s)
  • River and Sea Navigation

French

Domaine(s)
  • Navigation fluviale et maritime
DEF

Arc extérieur gradué de l’octant ou du sextant sur lequel se lit la valeur des angles.

OBS

Le limbe des sextants modernes est gradué en degrés et en minutes. La précision de la mesure d’angle, grâce au vernier qui accompagne le bras du sextant est supérieure à la demi-minute d’arc.

Spanish

Campo(s) temático(s)
  • Navegación fluvial y marítima
Save record 1

Record 2 1977-07-11

English

Subject field(s)
  • Facilities and Instruments (Astronomy)
DEF

An error in the angle indicated by a sextant, resulting from the index and horizon glasses not being parallel to one another when the pointer on the vernier indicates zero on the arc.

French

Domaine(s)
  • Installations et instruments (Astronomie)
DEF

Le grand miroir et le petit miroir [du sextant] doivent être parallèles lorsque le zéro du vernier coïncide avec le zéro du limbe. Dans le cas contraire, il existe une erreur instrumentale(...)

Spanish

Save record 2

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