pseudoselector

English

Etymology

pseudo- +‎ selector

Noun

pseudoselector (plural pseudoselectors)

1. (computing, Internet, Cascading Style Sheets) A kind of selector that identifies something not explicitly labelled in the document markup.
   • 2009, Jennifer Niederst Robbins, Web Design in a Nutshell: A Desktop Quick Reference:

     But some elements are not necessarily found in the document markup, such as which links have been visited or the first line of a paragraph. To apply style to these instances in a document, CSS provides several pseudoselectors.