noun
: a device usually used to detect the path of a high-energy particle that consists of a series of charged metal plates or wires separated by a gas (as neon) in which observable electric discharges follow the path of the particle
noun
: a device usually used to detect the path of a high-energy particle that consists of a series of charged metal plates or wires separated by a gas (as neon) in which observable electric discharges follow the path of the particle
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012