homoiconicity /ˌhəʊ.məʊˌaɪ.kɒˈnɪ.sɪ.ti/ noun1 •A property of some programming languages, in which the primary representation of programs is also a data structure in a primitive type of the language itself.Homoiconicity is a feature of a programming language system that denotes that a computer program has the same form as the data that are input and output by the program. — 2010