1) Brand name material 2) Developing company 3) Fast shot 4) Film 5) Instant photo 6) Instant picture 7) OneStep 600 producer 8) Plastic film 9) Retro picture Found on https://www.crosswordclues.com/clue/polaroid
[polarizer] Polaroid is the trademark for a type of synthetic plastic sheet which is used as a polarizer or polarizing filter, made by Polaroid Corporation. ==Patent== The original material, patented in 1929 and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulfate (herapathite) embedded in... Found on http://en.wikipedia.org/wiki/Polaroid_(polarizer)
(from the article `light`) Natural light is polarized in passage through a number of materials, the most common being polaroid. Invented by the American physicist Edwin Land, a ... Found on http://www.britannica.com/eb/a-z/p/86
noun (trade mark) a plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare Found on https://www.encyclo.co.uk/local/20974