1. underprint - Noun
2. underprint - Adjective
underprint (comparative more underprint, superlative most underprint)
(printing) The addition of colour under black areas to produce a deeper black and prevent oversaturation of the paper.
(philately) Printing underneath the main design of a stamp, intended to prevent forgery or removal of the postmark.
(philately, considered incorrect usage) a logo or advertising printed on the underside of a stamp; backprint.
(geology) A fossilised print in the rock bed that is at a deeper level than the track the creature leaving it was actually travelling on; caused by the pressure of a heavy animal or penetration of the sediment by a pointed appendage.
Source: en.wiktionary.orgA new black and lilac on multicolor underprint was used for easy recognition, nevertheless, this was the last issue of the 50 ngwee banknotes as it was replaced later by a coin. Source: Internet
A red-violet on multicolor underprint design was chosen for the new bill note. Source: Internet