' (disambiguation)

The ' character is represented by 39 in ASCII and U+0027'APOSTROPHE 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)

Informal use

Being supplied as standard on many keyboard layouts, it is often used in informal contexts to replace other similar looking characters that include:

Diacritical marks

• Acute accent (U+0301◌́ COMBINING ACUTE ACCENT ), a diacritic used in many modern written languages
  • The ASCII symbol U+00B4´ ACUTE ACCENT is not used as a diacritic.
  • U+02CAˊ MODIFIER LETTER ACUTE ACCENT
• Aleph (U+02BEʾMODIFIER LETTER RIGHT HALF RING), is the first letter of the Semitic abjads
• Apex (U+0301◌́COMBINING ACUTE ACCENT), a diacritic used to indicate a long vowel in Latin
• Dakuten, japanese diacritic
  • U+3099◌゙COMBINING KATAKANA-HIRAGANA VOICED SOUND MARK
  • U+309A◌゚COMBINING KATAKANA-HIRAGANA SEMI-VOICED SOUND MARK
• Geresh (U+05F3׳HEBREW PUNCTUATION GERESH), a sign in Hebrew writing
• Smooth breathing or spiritus lenis (U+1FBF᾿GREEK PSILI), a diacritical mark used in polytonic orthography
• Tonos (U+0384΄GREEK TONOS), single diacritic that indicates stress in monotonic orthography for Modern Greek
• Keraia (diacritic) (U+0374ʹGREEK NUMERAL SIGN) a symbol used in Greek numerals

Modifier letter punctuation

• Modifier letter apostrophe (ʼ), a glyph used primarily to represent various glottal sounds.
• Modifier letter left half ring (ʿ), a character used to transliterate the letter ayin, representing the sound ʕ
• Modifier letter right half ring (ʾ)
• Modifier letter turned comma (ʻ)

Other uses as accents, pronunciation, or stress

• ʻOkina (ʻ), commonly representing a phonemic glottal stop in various Polynesian languages
• Ejective consonant (ʼ), used in the International Phonetic Alphabet
• Greek diacritics ( ´ )( ` )( ῾ )( ᾿ ), marks added to letters in Greek (particularly Ancient Greek) sometimes in combination (eg. ῞ or ῏)
• Saltillo (linguistics) (Ꞌ or ꞌ), a glottal stop consonant, ʔ
• Stress (linguistics) (ˈ), relative emphasis or prominence given to a certain syllable in a word

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, above as well as below the baseline
  • Inverted comma, the name used in traditional British typography for the single quotation mark