TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
POINT GROUP [2 records]
Record 1 - internal organization data 2016-02-26
Record 1, English
Record 1, Subject field(s)
- Mineralogy
Record 1, Main entry term, English
- class
1, record 1, English, class
correct, noun
Record 1, Abbreviations, English
Record 1, Synonyms, English
- point group 1, record 1, English, point%20group
correct
- symmetry class 2, record 1, English, symmetry%20class
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
One of thirty-two possible combinations of the elements of symmetry crystal classes are divided among the six crystal systems, and deal with outward symmetry. 1, record 1, English, - class
Record 1, French
Record 1, Domaine(s)
- Minéralogie
Record 1, Main entry term, French
- classe de symétrie
1, record 1, French, classe%20de%20sym%C3%A9trie
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- groupe ponctuel 2, record 1, French, groupe%20ponctuel
correct, masculine noun
- classe d'orientation 3, record 1, French, classe%20d%27orientation
correct, feminine noun
- groupe de symétrie 4, record 1, French, groupe%20de%20sym%C3%A9trie
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
(...) on démontre que la structure réticulaire du cristal n'est compatible qu'avec un petit nombre d'opérations de symétrie: symétrie par rapport à un point, à un plan et rotations de 180 °, 120 °, 90 °, et 60 °. Les éléments étant définis, on en cherche toutes les combinaisons possibles et distinctes et on trouve qu'il y en a seulement 32, chaque combinaison étant appelée classe de symétrie. 5, record 1, French, - classe%20de%20sym%C3%A9trie
Record number: 1, Textual support number: 2 CONT
Ce sont [les] propriétés de symétrie qui permettent de classer les différentes structures cristallines en 230 groupes d'espace, eux-mêmes répartis en 32 groupes ponctuels ou classes d'orientation, permettant de définir 7 systèmes cristallins. 3, record 1, French, - classe%20de%20sym%C3%A9trie
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1984-05-28
Record 2, English
Record 2, Subject field(s)
- Physics
Record 2, Main entry term, English
- point group 1, record 2, English, point%20group
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Besides the Schoenflies notation for the point groups there is another notation the Herman-Maugin or international notation .... 2, record 2, English, - point%20group
Record 2, French
Record 2, Domaine(s)
- Physique
Record 2, Main entry term, French
- groupe ponctuel
1, record 2, French, groupe%20ponctuel
masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] on verra que dans la notation internationale chaque groupe ponctuel est désigné par un groupe de symboles [...] 2, record 2, French, - groupe%20ponctuel
Record 2, Spanish
Record 2, Textual support, Spanish
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