metavariable

metavariable

[¦med·ə′ver·ē·ə·bəl]
(computer science)
One of the elements of a formal language, corresponding to the parts of speech of a natural language. Also known as component name; phrase name.
References in periodicals archive ?
While definite NPs provide a metavariable for which a substituend has to be provided from the preceding context howsoever defined, hence chosen meeting certain restrictions (presuppositions), so wh NPs also provide a metavariable for which a substituend has to be provided, obligatorily not out of the established context, meeting certain restrictions (either presuppositions or scope statements).
However, he seeks to retain a classical account of construal, without invocation of metavariables, or choice functions.
These formalisms augment semantic representations with metavariables and subordination relations between fragments of such representations.