TERMIUM Plus®

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

PRINCIPAL MERIDIANS [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-01-29

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Optical Glass
  • The Eye
DEF

principal meridians: Two mutually perpendicular meridians of an astigmatic power ocular or lens that are parallel to the two line foci.

OBS

principal meridian: The plural form of this term (principal meridians) and the plural definition have been standardized by the International Organization for Standardization (ISO).

Key term(s)
  • principal meridians

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Verres d'optique
  • Oeil
DEF

méridiens principaux : Deux méridiens mutuellement perpendiculaires d'un oculaire ou d'un verre astigmatique qui sont parallèles aux deux lignes focales.

OBS

méridien principal : Le terme au pluriel (méridiens principaux) et la définition au pluriel ont été normalisés par l'Organisation internationale de normalisation (ISO).

Key term(s)
  • méridiens principaux

Spanish

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