coining

coining

(koyn'ing),

A form of traditional treatment in Southeast Asia in which the edge of a coin is rubbed on the skin to effect a cure.

The practice of rubbing the edge of a coin across warm, oiled skin as part of Southeast Asian—Vietnamese—folk therapy—derived from the Chinese for treating migraines, fever, etc.; ‘coined’ skin has darkened, linear, erythematous microecchymoses which simulate lesions of child or domestic abuse

coining

(koy'ning)

1. A traditional health practice in which a heated coin is placed or rubbed on the skin (to treat conditions such as asthma). A health care provider who is unaware of this practice could erroneously attribute the lesions caused by coining to physical abuse. Synonym: cao gio

2. In biomedical engineering, a cold-working process used to improve the strength of metals used for biological purposes (e.g., nails used in orthopedic surgeries).