U+1D5F "ᵟ" Modifier Letter Small Delta Unicode Character

U+1D5F "ᵟ" Modifier Letter Small Delta is a superscript or modifier form of the Greek letter delta, used in phonetic transcription to represent a subtle or altered pronunciation of the delta sound, typically in linguistic contexts such as the International Phonetic Alphabet extension or Americanist phonetic notation. It functions as a diacritic-like symbol that modifies the preceding letter, often indicating a fricative or approximant variant of the voiced dental or alveolar stop, and is encoded in the Unicode Phonetic Extensions block to support precise representation of speech sounds in digital text.