(uncountable) The chemical element (symbol Ne) with an atomic number of 10. The second of the noble gases, it is a colourless, odorless inert gas. / (countable) A form or sample of the element.

(of a color) That resembles a neon light; extremely bright; fluorescent

plural of neon (the fish, neon tetras)

Illuminated with neon lights.

plural of neon sign

Paracheirodon innesi (syn. Hyphessobrycon innesi), a small, tropical American fish, popular as an aquarium fish.

An illuminated sign constructed from fluorescent lights in the form of bent glass tubes; the different colours being obtained by adding different noble gases to the neon.

lighting by neon lamps

A neon lamp. / The light from such a lamp.

A small gas discharge lamp containing neon gas, sometimes with other noble gases to add colour.