mu

/mju/

IPA: /M UW1/

noun
  1. 1

    The 12th letter of the Modern Greek alphabet.

noun
  1. 1

    Nothingness; nonexistence; the illusory nature of reality.

interjection
  1. 1

    Neither yes nor no.

noun
  1. 1

    A unit of surface area, currently equivalent to 666 and 2/3 meters squared.

Source: https://en.wiktionary.org/wiki/mu