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nonterminal
In medical discourse, this term is used strictly to describe a condition that is not expected to result in death, often contrasting with terminal illnesses. It carries a clinical, objective tone and is typically used by healthcare providers to categorize the prognosis of a patient's disease state.
In the fields of computer science and linguistics, the term describes a placeholder symbol in a formal grammar. These symbols are transitional and must be replaced by other symbols—either other nonterminals or final terminals—to produce a valid string. In this technical register, the word is used as both a descriptor and a noun to identify specific elements of a generative system.
Meanings
Examples
The doctor confirmed that the patient's condition is nonterminal.
I am relieved to hear that the diagnosis is nonterminal.
The biopsy results indicate a nonterminal illness.
A nonterminal symbol can be expanded into a string of other symbols.
Is this variable a terminal or a nonterminal in the grammar rule?
The parser identifies the nonterminal and applies the production rule.
We need to define the set of nonterminals for this context free grammar.
The root of the parse tree is always a nonterminal.