beta reduce

beta reduce (third-person singular simple present beta reduces, present participle beta reducing, simple past and past participle beta reduced)

1. (computer science, transitive or intransitive) To syntactically replace a function call by the result of calling that function.

   The term ${\displaystyle (\lambda x.\,x)\,y}$ can beta reduce to ${\displaystyle y\!}$.

• beta reduction
• beta convert
• beta conversion