' (disambiguation)

The ' character has number 39 in ASCII and code U+0027 in Unicode. It is used as:

• Apostrophe (as straight version of the ’ character), a punctuation mark, and sometimes a diacritical mark
• Single quotation mark (as straight version of the ‘ and ’ characters)

It is often used in informal contexts to replace other similar looking characters that include:

Accents, pronunciation, or stress

Diacritical marks

• Acute accent ´, a diacritic used in many modern written languages
• Geresh ׳, a sign in Hebrew writing
• Grave accent `, a diacritical mark in many written languages
• Apex ´, a diacritic used to indicate a long vowel

Modifier letter punctuation

• Modifier letter apostrophe ʼ, a glyph
• Modifier letter left half ring ʿ, a character used to transliterate the letter ayin, representing the sound ʕ
• Modifier letter right half ring ʾ

Other uses as accents, pronunciation, or stress

• ʻOkina ʻ, a unicameral consonant letter
• Saltillo (linguistics) Ꞌ or ꞌ, a glottal stop consonant, ʔ
• Spiritus lenis ᾿
• Stress (linguistics) ˈ, relative emphasis or prominence given to a certain syllable in a word
• Ejective consonant ʼ, used in the International Phonetic Alphabet

Units of measure

• Prime (symbol) ′, used to designate units and for other purposes in mathematics, the sciences, linguistics, and music
  • Foot (unit), a unit of length in the imperial and US customary systems of measurement
  • Minute, a unit of time
  • Minute of arc, a unit of arc

See also

• Apostrophe (disambiguation)
• Comma, a punctuation mark that appears in several variants in different languages