Is Oxford dictionary more reliable than Cambridge dictionary in RP when it comes to IPA? Thanks. 1) Oxford dictionary BrE /sɪˈkjʊərəti/ security http://www.oxfordlearnersdictionaries.com/definition/english/security?q=security 2) Cambridge UK dictionary /sɪˈkjʊə.rɪ.ti/ security http://dictionary.cambridge.org/dictionary/english/security I found that the distinctions between these 2 dictionaries are secuRIty. And this is not the only word I came across. Could anyone verify for me? Thanks.