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Natural: A term to describe papers that have a color similar to that of wood; also called cream, off-white or ivory.

Negative: Film that contains the same images as the original print, except that all colors and shades are reversed. Reference, positive.

Newsprint: A light, low cost groundwood paper made especially for newspapers. Reference, groundwood.

Nominal Weight: When the basis weight of paper differs from the actual weight, the term nominal weight is used.