Dictionary.com
Thesaurus.com

associative array

American  
[uh-soh-shuh-tiv uh-rey, -shee-ey-tiv] / əˈsoʊ ʃə tɪv əˈreɪ, -ʃiˌeɪ tɪv /

noun

Computers.
  1. a data type consisting of a set of values, each linked to a key, with the pairs stored as a table structure.


Etymology

Origin of associative array

First recorded in 1970–75