Hypertext Markup Language revision 5 (HTML5)
How to pronounce:
ˈhaɪpərˌtɛkst ˈmɑːkˈʌp ˈlæŋgwɪʤ rɪˈvɪʒən 5
Definition:
An enhanced version of the standardized Hypertext Markup Language that does not require third-party plugins and has added advanced interactive features, such as allowing video to be embedded on a web page.