<p><strong>Noun</strong></p><ul><li>Chemistry:<ul><li>the vinyl group, the univalent group C₂H₃, derived from ethylene.</li><li>any resin formed by polymerizing vinyl compounds, or any of a group of plastics made from such resins: This flooring is vinyl, although it looks like wood.</li><li>phonograph records made of vinyl, considered collectively: I'd like to sell my collection of vinyl.</li><li>vinyl as the material or medium for such records or recordings: songs recorded on vinyl.</li></ul></li></ul><p><strong>Adjective</strong></p><ul><li>Chemistry:<ul><li>containing the vinyl group.</li></ul></li></ul>