ɜ

Alternative forms
The letter was adopted into the IPA in 1921 as a turned epsilon $⟨⟩$. Sometime between the IPA chart published in 1957 and the 1989 Kiel Convention, it started to be rendered as a reversed epsilon $⟨⟩$, its current form.

Symbol

 * 1)  An.
 * 2)  -coloring or a weak, fleeting, epenthetic or echo.
 * 3)  A vowel of uncertain quality.