Adjacent Words

mu definitions

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WordNet (r) 3.0 (2005)

n
1: the 12th letter of the Greek alphabet

Merriam Webster's

noun Etymology: Greek my Date: 1638 the 12th letter of the Greek alphabet — see alphabet table

Oxford Reference Dictionary

n. 1 the twelfth Greek letter (M, divide). 2 ({divide}, as a symbol) = MICRO- 2. Phrases and idioms: mu-meson = MUON. Etymology: Gk