L'outil Writing Tips a été archivé et ne sera plus mis à jour jusqu'à son retrait définitif.
Pour obtenir notre contenu le plus à jour, veuillez consulter Writing Tips Plus, un outil combinant le contenu des outils Writing Tips et The Canadian Style. N'oubliez pas de modifier vos favoris!
Follow the guidelines below to form the plural of different types of abbreviations.
Add an s, but not an apostrophe, to form the plural of most abbreviations:
Add an s without an apostrophe to form the plural of abbreviations with only one period. The s is added before the period:
In cases where the resulting form would be ambiguous, add an apostrophe before the s:
Add an apostrophe and s to form the plural of abbreviations containing more than one period:
Use an apostrophe and s to form the plural of numerical names of aircraft ending in a single letter:
The plurals of Mr. and Mrs. are irregular:
The plural forms of the abbreviations for certain bibliographic references are different:
Singular | Plural |
---|---|
l. (line) | ll. |
p. (page) | pp. |
f. (and the one following) | ff. |
c., ch. (chapter) | c., ch. |
MS (manuscript) | MSS |
but | Plural |
s. (section) | ss. |
subs. (subsection) | subss. |
Note that SI/metric symbols maintain the same form for both singular and plural and are written without periods, except at the end of a sentence:
© Services publics et Approvisionnement Canada, 2024
TERMIUM Plus®, la banque de données terminologiques et linguistiques du gouvernement du Canada
Outils d'aide à la rédaction – Writing Tips
Un produit du Bureau de la traduction