The abbreviation "mg" primarily stands for milligram , which is a unit of mass in the metric system equal to one thousandth of a gram (0.001 grams). This unit is commonly used in medicine and science to measure very small quantities of substances
. Additionally, in uppercase letters, MG can refer to other meanings depending on the context:
- Myasthenia gravis (MG), a chronic neuromuscular disease characterized by muscle weakness
- MG as a brand refers to the British automotive marque Morris Garages , known for its sports cars and automotive history
- In chemistry, Mg (with uppercase M and lowercase g) is the symbol for the element magnesium
Other less common meanings include military terms like machine gun (MG), or units like megagram (Mg, equal to 1,000,000 grams), but these are context- specific
Summary:
- mg = milligram (0.001 gram)
- MG = Myasthenia gravis (disease) or Morris Garages (car brand)
- Mg = Magnesium (chemical element)
The most frequent and general use of "mg" is as a unit of mass, the milligram
