
1) Account identifier 2) Avatar accompanier 3) Chat room info 4) Common admission requirement 5) Creation for many an account 6) eBay identifier 7) Electronic identity 8) Facebook tag 9) Handle for surfers 10) Log on need 11) Logging-on ID 12) Login entry 13) Login requirement 14) On-line ID 15) Online identity
Found on
https://www.crosswordclues.com/clue/username

The name used by Proquote to identify you uniquely - a username and password for Proquote are required for price retrieval.
Found on
http://www.encyclo.co.uk/local/21430

In computing, refers to the name that uniquely identifies the person using a computer system or program and is usually used with a password
Found on
http://www.encyclo.co.uk/local/22643

Every user account is created with a username and password. These credentials must be supplied in order to log into the submissions website. Usernames must be in the form of an email address (e.g. bloggs@tso.co.uk) but they are not case sensitive. If required, you can change your username by accessing 'my details'.
Found on
http://www.gazettesubmissions.co.uk/Glossary.xhtml

A name you make up so that you can see or do things on a website, sometimes called a `screen name.`
Found on
https://code.org/curriculum/docs/k-5/glossary

Also known as a Twitter handle. Must be unique and contain fewer than 15 characters. Is used to identify you on Twitter for replies and mentions. Find out how to change your username.
Found on
https://www.encyclo.co.uk/local/22065
No exact match found.