Is “Tilde” a Scrabble word?
Yes
TILDE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Tilde
/ˈtɪldi/
noun
1.The grapheme of character ~.
2.The character used to represent negation, usually ~ or ¬.
Synonyms: squiggle, twiddle