TERMIUM Plus®

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GRADUATED ARC [5 records]

Record 1 2011-07-27

English

Subject field(s)
  • Mathematical Geography
CONT

The demicircle is for measuring and indicating angles with a revolving bar mounted on a pivot at the center of the circle, and a compass set firmly in the plane of the graduated arc.

French

Domaine(s)
  • Géographie mathématique
DEF

Arc de circonférence servant à la mesure des angles et portant une graduation en degré ou grades et en subdivisions de ces unités.

Spanish

Save record 1

Record 2 1999-10-22

English

Subject field(s)
  • Measuring Instruments
DEF

A surveying clinometer consisting of a short telescope, bubble tube, and graduated vertical arc used especially for measuring tree heights.

French

Domaine(s)
  • Appareils de mesure
DEF

Niveau de poche du génie, servant à mesurer les pentes et les coupes transversales lors de la conception des routes et à déterminer des hauteurs.

OBS

niveau Abney : terme et définition uniformisés par le Groupe de travail de terminologie du génie; terme uniformisé par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre.

Spanish

Save record 2

Record 3 1999-05-10

English

Subject field(s)
  • Measuring Instruments
  • Scientific Instruments
DEF

The graduated margin of an arc or circle in an instrument for measuring angles, as that part of a marine sextant carrying the altitude scale.

OBS

... in certain optical instruments a flat circular dial is sometimes called a "limb". Translator’s note: Although the term "limb" has been used in astronomy it is rarely used in English in the sense given here.

French

Domaine(s)
  • Appareils de mesure
  • Instruments scientifiques
DEF

Couronne circulaire en métal ou en verre sur laquelle est portée la graduation angulaire d'un instrument de mesure.

OBS

[...] dans certains instruments optiques, le cadran plan circulaire est souvent appelé «limbe».

Spanish

Save record 3

Record 4 1979-08-17

English

Subject field(s)
  • Exploration (History)
DEF

Early sixteenth century instrument used for determining latitude by observations of Polaris. Had a base plate, graduated for time and date, on which was a disc graduated in arc. When inner disc was set to time and date the instrument was suspended vertically and a pointer, pivoted at centre of disc, was sighted on Polaris. Pointer then indicated altitude of Pole. Invented 1520.

French

Domaine(s)
  • Explorations (Histoire)
DEF

Instrument qui servait autrefois à mesurer la hauteur des astres au-dessus de l'horizon.

OBS

nom masculin.

OBS

"astrolabe de mer" et "astrolabe nautique" sont des termes plus étoffés mais pas nécessairement plus spécifiques que la vedette "astrolabe".

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Electrical Engineering
DEF

The length of the arc, or of the segment of a circle, passing through the centre of the shortest markings on the graduated scale.

French

Domaine(s)
  • Électrotechnique

Spanish

Save record 5

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