n. 1. (also subrule) Any one of the individual rules conflated by some abbreviatory convention within a rule schema. 2. In the Williamson feature system, a distinctive feature with the possible values expanded, normal and narrowed, invoked to handle...

adj. 1. In the Lindau feature system, a distinctive feature invoked to treat differences in the size of the pharynx, with the possible values expanded, neutral and constricted, only two of which can be used contrastively in a given language. The values...

// n. The rewriting of a category as a string of categories by a phrase structure rule or an immediate dominance rule. For example, when the rule NPDet N′ is applied, the NP node is expanded as a sequence of a determiner and an N-bar. The term...

. Expansion may refer to: In physics: expansion of space, thermal expansion, expansion fan. In computer hardware: an expansion card In computer programming: in-line expansion In computer gaming: an expansion pack (in real time strategy games like...