the hierarchical arrangement of the constituent words and phrases of a sentence.
- Phrase-structure grammar
[freyz-struhk-cher] /ˈfreɪzˌstrʌk tʃər/ noun, Linguistics. 1. a grammar that consists of phrase-structure rules. noun 1. a grammar in which relations among the words and morphemes of a sentence are described, but not deeper or semantic relations PSG Compare transformational grammar
- Phrase-structure rule
noun, Linguistics. 1. a rule that generates a sentence or other syntactic construction from words and phrases and identifies its constituent structure. noun 1. (generative grammar) a rule of the form A → X where A is a syntactic category label, such as noun phrase or sentence, and X is a sequence of such labels […]
noun 1. Linguistics. a structural representation of a sentence in the form of an inverted tree, with each node of the tree labeled according to the phrasal constituent it represents.
- Photoreceptor cell
photoreceptor cell n.