The bar or stroke can be a diacritic mark, when used with some letters in the Latin or Cyrillic alphabets.

Characters with a bar (not all may display in all browsers, depending on browser version, OS, and fonts¹):

ɨ (lowercase)/Ɨ (uppercase) : Latin letter i with stroke, barred-i : this signifies a high central unrounded vowel in some African alphabets.

ƚ (lowercase only?) : Latin small letter l with bar, barred-l : a letter from the Polish alphabet signifying a w-sound; also a velar "L" sound in the International Phonetic Alphabet.

ƛ (lowercase only?) : Latin small letter lambda with stroke, barred lambda : a letter from the International Phonetic Alphabet.

ɵ (lowercase)/Ɵ (uppercase) : Latin letter o with middle tilde, barred o : a letter used in some African alphabets. This may also be a tilde diacritic instead.

ƶ (lowercase only?) : Latin small letter z with stroke, barred z: a letter used for some Pan-Turkish languages.

ǂ : Latin letter alvolear click : used for the Khoisan language.

ғ (lowercase only?) : Cyrillic small letter ghe with stroke, barred ghe : used in Azerbaijani and some other Balkan languages.

ө (lowercase)/Ө (uppercase) : Cyrillic letter barred o

ӫ (lowercase)/Ӫ (uppercase) : Cyrillic letter barred o with diaeresis

ᴃ : Latin small capital letter barred B

ᴯ : Modifier letter barred B

¹: Displays fine in Opera 7.5 and K-Meleon 0.8.2 with the Code2000 and Titus Cyberbit Basic fonts on WindowsXP.