mu
word
Definition
The 12th letter of the Greek alphabet (Μ, μ), widely used in science and mathematics. In statistics, μ represents the population mean. In physics, μ denotes the coefficient of friction or the prefix 'micro-.'
Usage & Nuances
Pronounced /mjuː/. In Zen Buddhism, 'mu' (無) means 'nothing' or 'without' — used as a response meaning the question itself is flawed. μ as 'micro' prefix means one-millionth (μm = micrometer, μg = microgram). Also a Chinese unit of land area (亩).
Example Sentences
A micrometer is written as μm.
basic
The coefficient of friction, denoted by μ, determines how easily surfaces slide against each other.
natural
In statistics, μ represents the population mean.
basic
Mu is the twelfth letter of the Greek alphabet.
basic
The Zen master answered the student's question with a single word: mu.
natural
When asked if the universe has meaning, some philosophers respond with mu — the question is wrongly framed.
natural