The 12th letter of the Modern Greek alphabet.

(Zen Buddhism) Neither yes nor no.

(Zen Buddhism) Nothingness; nonexistence; the illusory nature of reality.

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

A hypothetical continent that allegedly existed in the Atlantic or Pacific Ocean.

μ (a mu particle)

Abbreviation of North Maluku, a province of Indonesia.

(pharmacology) a shortened allomorph of the monoclonal antibody affix -mul-, used before the affixes -xi- and -zu- for ease of pronunciation

plural of mu

plural of Mu