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About MU
MU is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).
Use mu in a sentence and you’ll sound particularly educated, considering it’s a Greek word for the 12th letter of the Greek alphabet. It actually stands for m in the Greek alphabet if you translate the word directly. You could easily use it in the name of a new sorority or fraternity, but most commonly it’s just a symbol (µ) used in mathematical equations. As a noun, it’s generally used to refer to prefix multipliers or a unit of displacement, depending on the situation.
More about MU
For example, mu can be used as a representation of the prefix multiplier 0.000001 in a mathematical equation. That means one-millionth for those who aren’t as interested in math. In these cases, the actual Greek letter is used. Another way to use mu is as a symbol for micron or micrometer. In each of these options, the symbol is representative of 0.001 millimeter. Or, to put it in layman’s terms, mu represents a millionth of a meter measurement.
However you plan to use mu, you will find that it’s generally not used outside of math and measurements, except by those who understand Greek.
Definitions
noun
- the 12th letter of the Greek alphabet