What is the meaning of Vinyl?

The univalent radical CH2=CH−, derived from ethylene.

Any of various compounds and substances containing the vinyl radical, especially various tough, flexible, shiny plastics.

Phonograph records as a medium.

A phonograph record.

Containing the vinyl radical.

Made of polyvinyl chloride.

Pertaining to a phonograph record.

vinyl (all senses)

Source: wiktionary.org