x-bar theory
Word Rarity
Uncommon
Frequency: Zipf frequency 4.51 in modern English
25
Scrabble Score
10
Letters
4
Syllables
9
Unique Chars
Meaning
noun
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).
Uncountable
Etymology
X signifies an arbitrary lexical category; certain structures are represented by this letter and an overbar.