TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PUPIL DIAMETER [1 record]
Record 1 - internal organization data 2023-05-16
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- The Eye
Record 1, Main entry term, English
- pupil diameter
1, record 1, English, pupil%20diameter
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The diameter of the aperture in the iris. 2, record 1, English, - pupil%20diameter
Record number: 1, Textual support number: 1 OBS
For protection against laser radiation[, in humans], a pupil diameter of 7 mm is always assumed. 1, record 1, English, - pupil%20diameter
Record number: 1, Textual support number: 2 OBS
[In humans, the] pupil can vary in diameter between 1 mm and 8 mm. 1, record 1, English, - pupil%20diameter
Record number: 1, Textual support number: 3 OBS
pupil diameter: term standardized by the International Organization for Standardization (ISO). 3, record 1, English, - pupil%20diameter
Record 1, Key term(s)
- diameter of the pupil
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Oeil
Record 1, Main entry term, French
- diamètre pupillaire
1, record 1, French, diam%C3%A8tre%20pupillaire
correct, masculine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Diamètre de l'ouverture de l'iris. 2, record 1, French, - diam%C3%A8tre%20pupillaire
Record number: 1, Textual support number: 1 OBS
Dans le cas de la protection contre le rayonnement laser, on part toujours du principe que le diamètre pupillaire [de l'œil humain] est de 7 mm. 1, record 1, French, - diam%C3%A8tre%20pupillaire
Record number: 1, Textual support number: 2 OBS
[Dans l'humain, la] pupille est la zone centrale de couleur foncée; son diamètre peut varier de 1 mm à 8 mm. 1, record 1, French, - diam%C3%A8tre%20pupillaire
Record number: 1, Textual support number: 3 OBS
diamètre pupillaire : terme normalisé par l'Organisation internationale de normalisation (ISO). 3, record 1, French, - diam%C3%A8tre%20pupillaire
Record 1, Key term(s)
- diamètre de la pupille
Record 1, Spanish
Record 1, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: