iota
🇺🇸
/aɪˈəʊtə/
🇬🇧
/aɪˈəʊtə/
a very tiny amount
I don't have an iota of interest in that.
我对那个一点兴趣都没有。
the 9th letter of the Greek alphabet (I, ι)
The letter 'iota' is significant in Greek mathematics.
字母'iota'在希腊数学中很重要。