neon /ˈniˌɑn/noun 5adjective 1forms 1 noun5 •The chemical element (symbol Ne) with an atomic number of 10. The second of the noble gases, it is a colourless, odorless inert gas. •A form or sample of the element. •Neon signs or lights, collectively.Neons and LED lighting can be controlled by remotes. — 2009 •[before a noun] Describes bright and vibrant colors having a fluorescent look. •A neon tetra fish.There were all kinds - Swordtails, Guppies, Platys, Terras [sic], Neons, Cichlids, Labyrinth and Paradise fish, and every variety of exotic Goldfish. — 1954 adjective1 •That resembles a neon light; extremely bright; fluorescent formsneons
