Chemistry. the vinyl group, the univalent group C3H3, derived from ethylene.
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.
  1. phonograph records made of vinyl, considered collectively: I'd like to sell my collection of vinyl.
  2. vinyl as the material or medium for such records or recordings: songs recorded on vinyl.


Chemistry. containing the vinyl group.

Origin of vinyl

1860–65; < Latin vīn(um) wine + -yl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vinyl

Contemporary Examples of vinyl

British Dictionary definitions for vinyl



(modifier) of, consisting of, or containing the monovalent group of atoms CH 2 CH-a vinyl polymer; vinyl chloride
(modifier) of, consisting of, or made of a vinyl resina vinyl raincoat
any vinyl polymer, resin, or plastic, esp PVC
(collectively) conventional records made of vinyl as opposed to compact discs

Word Origin for vinyl

C19: from vini- + -yl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for vinyl

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.

Online Etymology Dictionary, © 2010 Douglas Harper

vinyl in Medicine




The univalent radical CH2-CH derived from ethylene.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

vinyl in Science



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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.