TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
RIGHT ANGLE PRISM [1 record]
Record 1 - internal organization data 1999-05-10
Record 1, English
Record 1, Subject field(s)
- Surveying Instruments
Record 1, Main entry term, English
- optical square
1, record 1, English, optical%20square
correct, Great Britain
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A small hand instrument used by surveyors for laying off a right angle by means of two mirrors set at an angle of 45 degrees. 2, record 1, English, - optical%20square
Record number: 1, Textual support number: 1 CONT
The optical square ... consists essentially of two mirrors placed at an angle of 45° to each other and contained in a flat cylindrical metal box ... One of the mirrors, "I", is called the index glass and is wholly silvered, while the other mirror, "H', is called the horizon glass and has its lower half silvered and its upper half plain. 3, record 1, English, - optical%20square
Record 1, Key term(s)
- right angle prism
Record 1, French
Record 1, Domaine(s)
- Instruments d'arpentage
Record 1, Main entry term, French
- équerre optique
1, record 1, French, %C3%A9querre%20optique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- équerre à prisme 2, record 1, French, %C3%A9querre%20%C3%A0%20prisme
correct, feminine noun
- équerre à miroirs 3, record 1, French, %C3%A9querre%20%C3%A0%20miroirs
correct, feminine noun
- équerre à prismes 3, record 1, French, %C3%A9querre%20%C3%A0%20prismes
correct, feminine noun
- équerre à réflexion 3, record 1, French, %C3%A9querre%20%C3%A0%20r%C3%A9flexion
correct, feminine noun
- équerre à deux miroirs 4, record 1, French, %C3%A9querre%20%C3%A0%20deux%20miroirs
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'équerre à prismes, aussi appelée équerre optique, est formée d'un prisme pentagonal dont les faces réfléchissantes forment entre elles un angle de 45°. L'équerre optique double à deux prismes pentagonaux superposés, ce qui permet de placer un point dans un alignement donné. 3, record 1, French, - %C3%A9querre%20optique
Record number: 1, Textual support number: 2 CONT
L'équerre à miroirs, aussi appelée équerre à réflexion, est formée de deux miroirs, fixés à 45° l'un de l'autre, donnant après réflexion deux directions perpendiculaires. 3, record 1, French, - %C3%A9querre%20optique
Record number: 1, Textual support number: 3 CONT
Équerre à deux miroirs - Elle se compose de deux miroirs faisant entre eux un angle de 50 grades [...] 4, record 1, French, - %C3%A9querre%20optique
Record 1, Spanish
Record 1, Textual support, Spanish
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