TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

The point on the celestial sphere directly below an observer and diametrically opposite the zenith.  2, fiche 1, Anglais, - nadir

Record number: 1, Textual support number: 1 CONT

Orientation is described using the terms "forward", "aft", "port", "starboard", "zenith", and "nadir". There is a diagram of the ISS [International Space Station] in the instructions that depicts these axes. [Generally, the Russian, modules are aft, and the European modules are/will be forward; "nadir" and "zenith"are, of course, "down" and "up," respectively.]  3, fiche 1, Anglais, - nadir

Record number: 1, Textual support number: 1 OBS

nadir: term officially approved by the International Space Station official approval Group (ISSOAG).  4, fiche 1, Anglais, - nadir

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Point de la sphère céleste situé sur la verticale de l'observateur, vers le centre de la Terre[,] le Nadir [étant] le point opposé au Zénith.  2, fiche 1, Français, - nadir

Record number: 1, Textual support number: 1 OBS

nadir : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, fiche 1, Français, - nadir

Fiche 1,  Justifications,  Espagnol