The full form of "mu" can have different meanings depending on the context. Here are some possible full forms of "mu" based on the search results:

• Memory Unit: In computer science, "mu" can stand for memory unit, which stores user information, data, and instructions of the CPU (Central Processing Unit) .

• Micrometer: In some texts, the symbol "mu" (µ) is an abbreviation for micrometers or microns, which is a unit of length equal to one millionth of a meter.

• Mumbai University: "MU" can also refer to Mumbai University, which is one of the oldest and most prestigious universities in India.

• Miss You: In informal communication, "mu" can be used as an abbreviation for "miss you".

Its important to note that "mu" can have other meanings depending on the context, and its always best to clarify the intended meaning to avoid confusion.