Some lenses have a thin, colourless coating evaporated on to their surfaces to minimise the reflection of light from the glass surface. This enables more of the light to pass through the lens. Such coatings often appear blue, purple or green when seen in reflected light. The coloured sheen seen on the lenses of binoculars is due to this coatin Found on http://www.irpoyser.co.uk/glossary.php
adjective having a coating; covered with an outer layer or film; often used in combination; `coated paper has a smooth polished coating especially suitable for halftone printing`; `sugar-coated pills` Found on http://wordnetweb.princeton.edu/perl/webwn?s=coated
Refers to a fabric that has been treated with a chemical coating such as polyurethane, acrylic or teflon on one or both sides to make it waterproof and possibly breathable. In a heavy, waterproof/nonbreathable form, coatings are used in objects like tents and packs. In lighter, microporous breathable form, they're used in outerwear.The trade-off be Found on http://www.ectextile.com/glossary.html?