An expert who is devoted to one occupation or branch of learning(noun)
WordNet. Princeton University. 2010.
Use "specialiser" in a sentence
"The first input to the specialiser is a description of a two input machine."
"If we have a specialiser we never need to make a compiler again."
"The specialiser whirrs away and eventually outputs a description of a machine that is an interpreter that is dedicated to making that one particular coin."