Definition, Meaning & Synonyms

mu

noun
/mjuː/
Definition
A Greek letter used to represent the micro prefix (one millionth) in the International System of Units (SI).
Examples
  • ‘In the microeconomics course, we learned that the symbol for the coefficient of friction is represented as mu.’
  • ‘The physicists measured the mu to ascertain the efficiency of the system.’
  • ‘In statistics, mu is often used to denote the average value.’
Meaning
In various contexts, ‘mu’ can refer to a small quantity, or represent the coefficient of friction in physics. It is also used in statistics to denote the mean of a population.
Synonyms
  • micro
  • mean
  • average
  • coefficient