1e–mail 
/ˈi:ˌmeɪl/ noun
plural e–mails /ˈi:ˌmeɪl/ noun 1 [noncount] : a system for sending messages from one computer to another computer
▪ They communicate with each other by e-mail. ▪ an e-mail message 2 a [noncount] : messages that are sent electronically from one computer to another
▪ I seem to spend most of my time these days reading e-mail.
b [count] : an e-mail message
▪ She sent me an e-mail.
▪ They communicate with each other by e-mail. ▪ an e-mail message
▪ I seem to spend most of my time these days reading e-mail.
b [count] : an e-mail message
▪ She sent me an e-mail.
