noun
tilde; wave dash
Refers to the typographical symbol 〜, used in Japanese to indicate a range, approximation, or drawn-out sound. The word is a colloquial, onomatopoeic name for the symbol.
「〜」のことを「にょろ」と呼ぶことがある。
The symbol '〜' is sometimes called 'nyoro'.
この記号は正式には波ダッシュですが、にょろとも言います。
This symbol is officially called 'wave dash', but it's also called 'nyoro'.