A temporary password is a code or combination of letters and numbers that allows you to access something temporarily, usually until you create a new, permanent password. Full definition
Please note that clicking on the reset button will automatically send you a new temporary password (for security reasons we can not recover your original password). (bookbrowse.com)
Unlocked locked accounts and provided temporary passwords to provide access to online accounts. (livecareer.com)
Click on «Account Preferences» and then on «Change Password» and enter your old or temporary password along with your new password. (americasjobexchange.com)