TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

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The radius vector of a given color in the color space is called the color stimulus. A color stimulus is the equivalent, expressed numerically, of the physiological sensation of color of a "standard observer" with normal color vision. The mathematical simulation of the assessment of a radiation stimulus through the eye and brain converts this stimulus into a color stimulus, which can be unambiguously described by three factors, e. g. hue, saturation and brightness.  1, fiche 1, Anglais, - color%20stimulus

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colour stimulus: term standardized by CIE.  3, fiche 1, Anglais, - color%20stimulus

Fiche 1,  Justifications,  Français

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Rayonnement, physiquement défini, qui pénètre dans l'œil et produit une sensation de couleur. [Définition normalisée par l'AFNOR.]  2, fiche 1, Français, - stimulus%20de%20couleur

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Pluriel : des stimulus, des stimuli.  3, fiche 1, Français, - stimulus%20de%20couleur

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stimulus (pl.) : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006).  4, fiche 1, Français, - stimulus%20de%20couleur

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stimulus de couleur : terme normalisé par la CIE et l'AFNOR.  5, fiche 1, Français, - stimulus%20de%20couleur

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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A plane curve asymptotic to the polar axis, which is the locus of a point such that the square of the radius vector varies inversely as the vectorial angle.  2, fiche 2, Anglais, - lituus

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Plural litui. Means "like a trumpet".  3, fiche 2, Anglais, - lituus

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Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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Component of the wind at a point in a direction at right angles to the radius vector from the centre of a wind system.  2, fiche 3, Anglais, - tangential%20wind

Fiche 3,  Justifications,  Français

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Composante du vent en un point selon une direction orthogonale au rayon vecteur qui a son origine au centre d'un système de vent.  2, fiche 3, Français, - vent%20tangentiel

Fiche 3,  Justifications,  Espagnol

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Componente de viento en un punto dirigido perpendicularmente a un vector radial con origen en el centro de un sistema de viento.  1, fiche 3, Espagnol, - viento%20tangencial

Fiche 4,  Justifications,  Anglais

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A system of polar coordinates in which the points all lie in one plane. In the terminology of analytical geometry, the distance from the origin to the point is the magnitude of the radius vector and the polar distance is the vectorial angle.  1, fiche 4, Anglais, - plane%20polar%20coordinates

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Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

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R bar approach of the space shuttle towards the satellite... along the radius vector.  3, fiche 5, Anglais, - R%2Dbar%20approach

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For visualization purposes, the station's direction of motion is called the velocity vector, or V-bar for short. By convention, points in front of the station are said to be on the positive V-bar while points behind are considered negative. The imaginary line connecting the station with the center of the Earth is called the radius vector, or R-bar. Points directly below the station along this line are considered positive while points above are considered negative. Endeavour, then, will approach the station along the plus R-bar. The station will be oriented with its long axis aligned with the velocity vector, with the Unity module in "front" and Zvezda behind. Unity's nadir and zenith ports will be oriented as their names imply. This orientation, or attitude, is known as "XVV, "i. e., the station's X axis is aligned with the velocity vector. The terminal rendezvous sequence will begin with a rocket firing(TI) as Endeavour trails the station by about eight nautical miles. Once the shuttle reaches the plus R-bar, commander Brent Jett will guide the ship up from directly below. As he nears the station, he will yaw the shuttle 180 degrees so its tail is pointing in the direction of motion and its nose toward the minus V-bar. Assuming a good linkup, the shuttle will begin controlling the station's orientation for the duration of Endeavour's mission, moving the lab back into an "X-POP" attitude with the station's X axis perpendicular to the plane of its orbit. In this orientation, the long axis of the station is broadside to the velocity vector.  4, fiche 5, Anglais, - R%2Dbar%20approach

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R-bar approach: term officially approved by the International Space Station official approval Group (ISSOAG).  5, fiche 5, Anglais, - R%2Dbar%20approach

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Minus R-bar approach.  3, fiche 5, Anglais, - R%2Dbar%20approach

Fiche 5,  Justifications,  Français

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[L'] alignement du port d'amarrage de Mir avec celui situé dans la soute de la navette [...] doit être positionné sur une ligne imaginaire baptisée «R-bar», allant de Mir au centre de la Terre. Il s'agit de mettre à profit la mécanique céleste, qui veut que plus l'orbite est basse, plus la vitesse de rotation autour de la Terre est rapide. En s'approchant «par en-dessous» de la station, l'avion spatial bénéficie d'un freinage naturel.  2, fiche 5, Français, - approche%20en%20R%2Dbar

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approche en R-bar : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  1, fiche 5, Français, - approche%20en%20R%2Dbar

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Fiche 6,  Justifications,  Anglais

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Areal velocity expressed in terms of radius and angular velocity; relationship between areal velocity and angular component of the acceleration vector and related proof of Kepler's second law for central forces.  2, fiche 6, Anglais, - areal%20velocity

Fiche 6,  Justifications,  Français

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Dérivée de l'aire balayée par le segment joignant un point mobile à l'origine des coordonnées; c'est la moitié du module du moment de la vitesse par rapport à cette origine.  2, fiche 6, Français, - vitesse%20ar%C3%A9olaire

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Dans le mouvement képlerien et les autres mouvements à accélération centrale, la vitesse aréolaire relative au centre d'attraction est constante.  2, fiche 6, Français, - vitesse%20ar%C3%A9olaire

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Fiche 7,  Justifications,  Anglais

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The flight plan calls for Wetherbee to approach Mir from directly below, along the imaginary line joining the station and the center of the Earth. This is known as the R-bar, or radius vector, and shuttles approaching from below are said to be carrying out a "plus R-bar rendezvous"(it would be a negative R-bar approach if Atlantis came in from above Mir). By approaching from below, the shuttle can utilize the natural braking provided by Earth's gravity to minimize the use of upward firing thrusters that could damage Mir's fragile solar arrays.  1, fiche 7, Anglais, - negative%20R%2Dbar%20approach

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negative R-bar approach: term officially approved by the International Space Station official approval Group (ISSOAG).  2, fiche 7, Anglais, - negative%20R%2Dbar%20approach

Fiche 7,  Justifications,  Français

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approche en R-bar négatif : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  1, fiche 7, Français, - approche%20en%20R%2Dbar%20n%C3%A9gatif

Fiche 7,  Justifications,  Espagnol

Fiche 8,  Justifications,  Anglais

Record number: 8, Textual support number: 1 CONT

The imaginary line connecting the station with the center of the Earth is called the radius vector, or R-bar. Points directly below the station along this line are considered positive while points above are considered negative.  4, fiche 8, Anglais, - R%2Dbar

Record number: 8, Textual support number: 2 CONT

For visualization purposes, the station's direction of motion is called the velocity vector, or V-bar for short. By convention, points in front of the station are said to be on the positive V-bar while points behind are considered negative. The imaginary line connecting the station with the center of the Earth is called the radius vector, or R-bar. Points directly below the station along this line are considered positive while points above are considered negative. Endeavour, then, will approach the station along the plus R-bar. The station will be oriented with its long axis aligned with the velocity vector, with the Unity module in "front" and Zvezda behind. Unity's nadir and zenith ports will be oriented as their names imply. This orientation, or attitude, is known as "XVV, "i. e., the station's X axis is aligned with the velocity vector. The terminal rendezvous sequence will begin with a rocket firing(TI) as Endeavour trails the station by about eight nautical miles. Once the shuttle reaches the plus R-bar, commander Brent Jett will guide the ship up from directly below. As he nears the station, he will yaw the shuttle 180 degrees so its tail is pointing in the direction of motion and its nose toward the minus V-bar. Assuming a good linkup, the shuttle will begin controlling the station's orientation for the duration of Endeavour's mission, moving the lab back into an "X-POP" attitude with the station's X axis perpendicular to the plane of its orbit. In this orientation, the long axis of the station is broadside to the velocity vector.  5, fiche 8, Anglais, - R%2Dbar

Record number: 8, Textual support number: 1 OBS

R-bar: term officially approved by the International Space Station official approval Group (ISSOAG).  6, fiche 8, Anglais, - R%2Dbar

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Docking in R-bar axis.  6, fiche 8, Anglais, - R%2Dbar

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R-bar approach.  6, fiche 8, Anglais, - R%2Dbar

Fiche 8,  Justifications,  Français

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Atlantis s'est retrouvée alors sur l'Axe-R, cette ligne imaginaire reliant Mir au centre de la Terre.  2, fiche 8, Français, - axe%2DR

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axe-R : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, fiche 8, Français, - axe%2DR

Fiche 8,  Justifications,  Espagnol

Fiche 9,  Justifications,  Anglais

Record number: 9, Textual support number: 1 CONT

The final phase of rendezvous operations begins about three hours prior to Atlantis’ docking with the ISS [International Space Station]. Atlantis will approach the ISS from below, in what is referred to as a plus-R bar approach, to minimize the effects of jet thruster firings on the station and its solar arrays. About 40 minutes before the terminal initiation burn (Ti burn) when Atlantis moves within 135,000 feet of the station, the shuttle’s rendezvous radar system is activated to provide supplemental navigation information. Prior to initiating the Ti burn, the crew will power on the ODS [Orbiter Docking System] and activate Atlantis’s docking lights.  3, fiche 9, Anglais, - plus%2DR%20bar%20approach

Record number: 9, Textual support number: 1 OBS

The imaginary line connecting the station with the center of the Earth is called the radius vector, or R-bar. Points directly below the station along this line are considered positive [plus] while points above are considered negative [minus].  4, fiche 9, Anglais, - plus%2DR%20bar%20approach

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plus-R bar approach: term officially approved by the International Space Station official approval Group (ISSOAG).  2, fiche 9, Anglais, - plus%2DR%20bar%20approach

Fiche 9,  Justifications,  Français

Record number: 9, Textual support number: 1 OBS

approche en R-bar positif : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  1, fiche 9, Français, - approche%20en%20R%2Dbar%20positif

Fiche 9,  Justifications,  Espagnol

Fiche 10,  Justifications,  Anglais

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1. In elastic theory, a sphere under homogeneous strain is transformed into an ellipsoid with this property : the ratio of the length of a line, which has a given direction in the strained state, to the length of the corresponding line in the unstrained state, is proportional to the central radius vector of the surface drawn in the given direction. 2. The ellipsoid whose half-axes are the principal strains.  3, fiche 10, Anglais, - strain%20ellipsoid

Fiche 10,  Justifications,  Français

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La notion d'ellipsoïde de déformation a été conçue et utilisée par les ingénieurs pour l'étude de la déformation élastique, mais elle est utile également dans l'analyse des phénomènes de rupture. Une façon commode de se représenter la déformation consiste à imaginer une sphère soumise à une contrainte. Dans le cas le plus général cette sphère se déforme en un ellipsoïde à trois axes inégaux; mutuellement perpendiculaires.  1, fiche 10, Français, - ellipso%C3%AFde%20de%20d%C3%A9formation

Fiche 10,  Justifications,  Espagnol

Fiche 11,  Justifications,  Anglais

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Component of the wind at a point in a direction along a radius vector from the centre of a circulating wind system.  1, fiche 11, Anglais, - radial%20wind

Fiche 11,  Justifications,  Français

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Composante du vent en un point suivant un rayon vecteur passant par le centre d'un système de circulation de vent.  1, fiche 11, Français, - vent%20radial

Fiche 11,  Justifications,  Espagnol

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Componente del viento en un punto dirigida a lo largo de un vector radial con origen en el centro de un sistema de circulación.  1, fiche 11, Espagnol, - viento%20radial

Fiche 12,  Justifications,  Anglais

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Surface formed by the extremities of all the radius vectors drawn from a common origin, the length of each radius vector being proportional to the luminous intensity of the source in the corresponding direction.  1, fiche 12, Anglais, - surface%20of%20luminous%20intensity%20distribution

Fiche 12,  Justifications,  Français

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Lieu géométrique de l'extrémité des vecteurs de même origine, chacun de ces vecteurs étant proportionnel à l'intensité lumineuse de la source dans la direction correspondante.  1, fiche 12, Français, - surface%20de%20r%C3%A9partition%20de%20l%27intensit%C3%A9%20lumineuse

Fiche 12,  Justifications,  Espagnol

Fiche 13,  Justifications,  Anglais

Record number: 13, Textual support number: 1 OBS

radius vector : a straight line segment or its length from a fixed point, pole, or center to a variable point : the linear polar coordinate of a variable point.  1, fiche 13, Anglais, - variable%20point

Fiche 13,  Justifications,  Français

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rayon vecteur. Dans une ellipse c'est une droite joignant un point courant de l'ellipse au foyer de l'ellipse.  1, fiche 13, Français, - point%20courant

Fiche 13,  Justifications,  Espagnol

Fiche 14,  Justifications,  Anglais

Record number: 14, Textual support number: 1 DEF

In celestial mechanics, the angle between the radius vector to an orbiting body from its primary(the focus of the orbital ellipse) and the line of apsides of the orbit, measured in the direction of travel, from the point of closest approach to the primary(perifocus).  1, fiche 14, Anglais, - anomaly

Fiche 14,  Justifications,  Français

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Angle caractérisant la position d'une planète sur son orbite, repérée par rapport au grand axe de l'orbite.  1, fiche 14, Français, - anomalie

Fiche 14,  Justifications,  Espagnol