Homonym: mu (Greek)
The term "mu" has several meanings across different fields. In mathematics and statistics, it often represents the mean or average of a set of values. In physics, particularly in particle physics, "mu" can refer to the muon, a subatomic particle similar to an electron but with greater mass.
In philosophy, "mu" is a Japanese word meaning "nothing" or "not" and is used in Zen Buddhism to indicate a state of emptiness or the absence of a definitive answer. It encourages deeper contemplation beyond binary thinking, prompting individuals to explore the nature of existence and perception.