See also: tci and Appendix:Lojban/tci English Proper noun TCI Initialism of Turks and Caicos Islands. Initialism of Tokyo Chemical Industry. Noun TCI (plural TCIs) Initialism of theme centered interaction. Anagrams CTI, ICT, TIC, cit, cit., tic Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads