* College Music Journal: This is the most well-known and common full form. It refers to a music industry conference and festival held annually in New York City.
* Continuous Median Joint: This refers to a specific type of joint in engineering and construction.
* Cold Metal Jacket: This is a term used in manufacturing and refers to a type of metal jacket.
* Comparative Market Analysis: This is a term used in real estate and refers to a detailed analysis of the market value of a property.
* Cellular Membrane Junction: This is a term used in biology and refers to the junctions between cells.
Without more context, it's impossible to say definitively which full form is intended.
If you can provide more information about where you encountered the acronym CMJ, it will be easier to determine its meaning.