grapheme
🇺🇸
/ˈɡræfiːm/
🇬🇧
/ˈɡræfiːm/
The smallest unit of writing that represents a distinct sound in a language.
The letter 'a' and 'e' are different graphemes in the English language.
字母 'a' 和 'e' 在英语中是不同的字素。