Vertical Line Below

No actual precomposed letters with this diacritic actually exist.

Vertical Line Below in Unicode

Characters with Vertical Line Below

ˌ	◌̩
U+02CC	U+0329
Modifier Letter Low Vertical Line	Combining Vertical Line Below
Note: Whether this can be said to be the non-combining version of vertical line below is open to debate. This character is used for marking secondary stress in IPA, while combining vertical line below is used for marking syllabic consonants in IPA.

Vertical Line Below in Natlangs

Uses of Vertical Line Below

Usage	Language	Letters	Notes
Lowered vowel with retracted tongue root	Yoruba (current Nigerian alphabet)	E̩e̩ /ɛ̙/, O̩o̩ /ɔ̙/	The vertical line below replaced an earlier dot below. This is because the dots get covered when a word is underlined. In Benin, a different alphabet is used for Yoruba.
Postalveolar consonant	Yoruba (current Nigerian alphabet)	S̩s̩ /ʃ/

Vertical Line Below in Phonetic Transcription

Uses of vertical line below

Use	Transcription system	Characters	Notes
Secondary stress	International Phonetic Alphabet (IPA)	ˌ	The non-combining form is placed before the affected syllable for marking it as secondarily stressed.
Syllabic consonant	International Phonetic Alphabet (IPA)	◌̩	The combining form of vertical line above is used on consonant letters to mark that they are syllabic.

See Also

• Natlang Uses of Diacritics in the Latin Alphabet
• Vertical Line Above