Definitions

1. noun

a thin, flexible sheet of metal or plastic coated with a thin layer of varnish or other material, used for coating and decorating surfaces, especially in the manufacture of picture frames and other decorative objects.

“The artist used a sheet of satine to give a glossy finish to her picture frame.”

2. noun

a thin, transparent, and usually flexible sheet of material used as a backing or support for a transparent material, especially a sheet of gelatin or a thin layer of plastic.

“The scientist used a sheet of satine as a backing for the transparent material in her experiment.”