Definition of touchpoint
1 Commerce any point of contact between a buyer and a seller. 2 Computing on some laptop computers, a device like a miniature joystick with a rubber tip, manipulated with a finger to move the screen pointer. 3a time, condition, or circumstance that is vulnerable or unstable enough to precipitate a highly unfavorable, possibly devastating outcome:a touchpoint for world conflagration Psychology the time in a child’s development that precedes an appreciable leap in physical, emotional, or cognitive growth.
[ 1990s: from the usage coined in the book Touchpoints (1992) by US pediatrician T. Berry Brazelton (1918–) and US child psychiatrist Joshua D. Sparrow]