Term Definition
Offset lithography Printing process in which the image is transferred to a rubber blanket, which in turn applies it to the surface to be printed.
Offset printing Printing process in which a positive image is transferred to a rubber blanket in reverse, which in turn applies it to the surface to be printed, right reading.
Ombre Design that has graduations in colour, usually it is shades of one family of colour or can change colours, such as from green to blue.
On-pack Direct premium attached to the outside of the product's container.
Opacity Heaviness of ink coverage.
Open line Product line a supplier will sell to all distributors. Also known as a general line.
Overlay proof Off-press colour proof produced with four dyed or pigmented overlay films.
Overrun Specialties produced in excess of the number originally ordered.
Oxford Soft, somewhat porous and rather stout cotton shirting weave gives a silk like finish, also made from spun rayon, acetate, and other man-made fibres. Oxford also means a woollen or worsted fabric with a greyish cast.