touch paper


noun

paper saturated with potassium nitrate to make it burn slowly, used for igniting explosives and fireworks.

Origin of touch paper

First recorded in 1740–50

Example sentences from the Web for touchpaper

British Dictionary definitions for touchpaper

touchpaper
/ (ˈtʌtʃˌpeɪpə) /

noun

paper soaked in saltpetre and used for firing gunpowder
light the touchpaper or light the blue touchpaper to do something that will cause much anger or excitement