electronic mail

electronic mail (countable and uncountable, plural electronic mails)

1. (uncountable, networking) Email (the system).
   • 1992, Sara Radicati, Electronic Mail: An Introduction to the X.400 Message Handling Standards, McGraw-Hill, →ISBN, page 1:

     Electronic mail is the single most visible application of distributed computing today.

2. (countable, dated) An email.
   • 2006, Edward Wilding, Information Risk and Security, Gower Publishing, Ltd., →ISBN, page 306:

     Employees are asked to exercise extreme caution when opening electronic mails and attachments sent by unknown or unfamiliar correspondents, or which require the recipient to execute a program, open an attachment or decompress an archive such as a Winzip™ file.

• e-mail, email

•   email on Wikipedia.Wikipedia