What is the X in X-mas?
plastic or synthetic resin, 1939, short for polyvinyl; not in widespread use until late 1950s. Slang meaning "phonograph record" (1976) replaced wax (n.) in that sense.
vinyl vi·nyl (vī'nəl)n. The univalent radical CH2-CH derived from ethylene.
The group C2H3, derived from ethylene.
Any of various chemical compounds, typically highly reactive, that contain this group and are used in making plastics.
Any of various plastics made of vinyl, typically tough, flexible, and shiny, often used in upholstery and clothing.
full of piss and vinegar