apostrophe

Also known as ’, ', apostroph

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Key facts

Punctuation mark.name: Apostrophe
Punctuation mark.caption1: Punctuation apostrophe (serif and sans-serif styles)
Punctuation mark.caption2: Typewriter apostrophe (both styles)

via Wikipedia infobox

Wikidata facts

Image: Diverses apostrophes.png

Show 4 more facts

braille transcription: ⠄
Commons gallery: Apostrophe
code: .----.
Commons category: Apostrophes

Sources (2)

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~73 min read

Article

56 sections

Contents

Usage in English
Historical development
French practice
Early English practice
Standardisation
Possessive apostrophe
General principles for the possessive apostrophe
Summary of rules for most situations
Basic rule (singular nouns)
Basic rule (plural nouns)
Basic rule (compound nouns)
Joint or separate possession
With other punctuation; compounds with pronouns
Time, money, and similar
Possessive pronouns and adjectives
Importance for disambiguation
Singular nouns ending with an ⟨s⟩ or ⟨z⟩ sound
Nouns ending with silent ⟨s⟩, ⟨x⟩, or ⟨z⟩
Possessives in geographic names
Possessives in names of organizations
Possessives in business names
Apostrophe showing omission
Use in forming some plurals
Abbreviations
Letters of the alphabet, and small words
Numbers and symbols
Family names
Nonstandard use
Use in non-English names
Use in transliteration
Non-standard English use
{{anchor|Greengrocers' apostrophes}} Superfluous apostrophes ("greengrocers' apostrophes")
Omission
Particular cases
Criticism
Non-English use
As a mark of elision
As a glottal stop
As a mark of palatalization or non-palatalization
To separate morphemes
Miscellaneous uses in other languages
Typographic form
Informal use in measurement and mathematics
Unicode
Characters similar to apostrophe
Computing
ASCII encoding
Punctuation apostrophe in 8-bit encodings
Entering apostrophes
Smart quotes
Programming
See also
Notes and references
Notes
References
Bibliography

The apostrophe (', ') is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English, the apostrophe is used for two basic purposes: The marking of the omission of one or more letters, e.g., the contraction of "do not" to "don't" The marking of possessive case of nouns (as in "the eagle's feathers", "in one month's time", "the twins' coats")

It is also used in a few exceptional cases for the marking of plurals, e.g., "p's and q's" or Oakland A's. The same mark is used as a single quotation mark. It is also substituted informally for other marks for example instead of the prime symbol to indicate the units of foot or minutes of arc. The word apostrophe comes from the Greek (hē apóstrophos [prosōidía], '[the accent of] turning away or elision'), through Latin and French.