' (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:

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, 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, a unicameral consonant letter
 * Saltillo (linguistics) Ꞌ or ꞌ, a glottal stop consonant, ʔ
 * Spiritus lenis ᾿
 * Stress (linguistics), relative emphasis or prominence given to a certain syllable in a word
 * Ejective consonant, 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