Hypertext Markup Language (HTML)
How to pronounce:
ˈhaɪpərˌtɛkst ˈtrænsfə(ː) ˈmɑːkˈʌp ˈlæŋgwɪʤ
Definition:
A standardized markup language for designing web pages by allowing the use of tags to define page elements like font, color, graphic, and hyperlink effects.