Short for HyperText Markup Language, the authoring language used to create documents on the World Wide Web. HTML is similar to SGML, although it is not a strict subset. HTML defines the structure and layout of a Web document by using a variety of tags and attributes.
Formal operational thought is the type of cognitive activity that occurs within the titular formal operational stage as articulated by Piaget's theory of cognitive development. According to Piaget, the formal operational stage begins at around age eleven.
Full Definition of OPERATION. 1. : performance of a practical work or of something involving the practical application of principles or processes. 2.