Also known as: mn.
MN has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of MN in Scientific & Educational.
Interval of time equivalent to 1/60th of an hour. Of a degree of arc
Scientific & EducationalA metallic element occasionally found in very small amounts as an impurity in well-water supplies. Symbol:"Mn" Atomic Number:"25" Atomic Mass: 54.94amu. This element is one of the transition elements. Manganese can be found in many minerals and small round nodules at the bottom of the ocean. It is also used in many alloys and the creation of some types of glass.
Scientific & EducationalIn fluid dynamics, the Mach number is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound M=u/c where, M is the Mach number, u is the local flow velocity with respect to the boundaries (either internal, such as an object immersed in the flow, or external, like a channel), and c is the speed of sound in the medium.
Scientific & EducationalLast updated: