What does ~ mean?

The English symbol of ~ is called tilde (meaning tilled symbol, nasalized symbol, Dai font size), and Chinese is commonly known as Tilde.

Tilde (~) is a punctuation mark, which has many uses. Initially, it was used as a letter of abbreviation symbol, but it was also used as a phonetic symbol or a single word.

Mathematically, it is a mathematical symbol representing equivalence relation. In the final use (especially in lexicography), it is sometimes used as a font size.

Other meaning:

~ can be used to represent a range. For example: 10~ 14 years old, 600~700.

~ ~ is an expression and has no practical significance. Usually, when the other party says something that can't be answered in online chat, it is a common phrase as a response or bubbling.

Reference to the above content: Baidu Encyclopedia-~