Cast of Characters by ShapiroA

Question 9

Among its many uses when standing alone, this symbol can refer to the headword in a dictionary entry; to an equivalence relation in mathematics, especially the relation "is asymptotic to"; and, in computing, to a user's home directory. It has also become popular online as a mark of sarcasm, often surrounding a phrase which is not to be taken at face value.

~ (tilde)

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