X-bar theory en · NOUN
Etymology
X signifies an arbitrary lexical category; certain structures are represented by this letter and an overbar.
Meanings
- (uncountable) A theory that posits a common syntactic structure for different lexical categories. Each phrase (XP) is the projection of a head (X) and may optionally include a specifier (sister of X-bar, daughter of XP), adjuncts (sister and daughter of X-bar) and complements (sister of X, daughter of X-bar).
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| X′ theory | alternative | lexicographic |
Deriveds
Relateds
Translations (6)
cmn X標槓理論 /X标杠理论 (theory) · pl teoria X-bar (theory) · cmn X階理論 /X阶理论 (theory) · cmn X槓理論 /X杠理论 (theory) · ru X-штрих-теория (theory) · fr théorie X-barre (theory)