apposition vs collocation

apposition

noun
  • The relationship between such nouns or noun phrases. 

  • A public disputation by scholars. 

  • A placing of two things side by side, or the fitting together of two things. 

  • The growth of successive layers of a cell wall. 

  • Appositio, the addition of an element not syntactically required. 

  • The quality of being side-by-side, apposed instead of being opposed, not being front-to-front but next to each other. 

  • A construction in which one noun or noun phrase is placed with another as an explanatory equivalent, both of them having the same syntactic function in the sentence. 

  • A (now purely ceremonial) speech day at St Paul's School, London. 

collocation

noun
  • The grouping or juxtaposition of things, especially words or sounds. 

  • Such a specific grouping. 

  • A method of finding an approximate solution of an ordinary differential equation L[y]=0 by determining coefficients in an expansion y(x)=y_0(x)+∑ₗ₌₀^q𝛼ₗy_l(x) so as to make L[y] vanish at prescribed points; the expansion with the coefficients thus found is the sought approximation. 

  • A sequence of words or terms that co-occur more often than would be expected by chance (i.e., the statistically significant placement of particular words in a language), often representing an established name for, or idiomatic way of conveying, a particular semantic concept. 

  • A service allowing multiple customers to locate network, server, and storage gear and connect them to a variety of telecommunications and network service providers, at a minimum of cost and complexity. 

How often have the words apposition and collocation occurred in a corpus of books? (source: Google Ngram Viewer )