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METASYNTACTIC
The phrase metasyntactic variable is a neologism that is used in some programmer communities to describe a placeholder name or an alias term commonly used to denote the subject matter under discussion or an arbitrary member of a class of things under discussion. The term originates from computer programming and other technical contexts, and is commonly used in examples by hackers and programmers. The use of a metasyntactic variable is helpful in freeing a programmer from creating a logically named variable, although the invented term may also become sufficiently popular and enter the language as a neologism.
may I be so bold as to take a two-fer?
NEOLOGISM
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