con·tem·po·ra·ne·ous 
/kənˌtɛmpəˈreɪnijəs/ adjective
/kənˌtɛmpəˈreɪnijəs/ adjective formal : existing or happening during the same time period
▪ the contemporaneous publication of the two articles ▪ contemporaneous events in the past = events in the past that were contemporaneous with each other
▪ the contemporaneous publication of the two articles ▪ contemporaneous events in the past = events in the past that were contemporaneous with each other
— con·tem·po·ra·ne·ous·ly adverb
▪ The articles were published contemporaneously. [=at the same time]
▪ The articles were published contemporaneously. [=at the same time]
