stringize

From string +‎ -ize.

stringize (third-person singular simple present stringizes, present participle stringizing, simple past and past participle stringized)

1. (programming, transitive) To convert to, or treat as, a string of text characters.

• In the C and C++ programming languages, describes the preprocessor operator #, which converts macro parameters to string literals without expanding the parameter definition.

• charizing
• stringify