•
.mg, the Internet country code top-level domain for Madagascar • Force of
gravity, product of mass (
m) by acceleration of gravity (
g) •
mg (text editor), a text editing program •
MagicGate and
OpenMG, encryption technologies of Sony •
Magnesium, a chemical element with symbol Mg • Manual Gates, a type of
level crossing used in the United Kingdom •
Microgrid, a local architecture for power grid within the concept of
Smart Grid that can function both connected to and isolanded from the main grid. •
Motor–generator, a device for converting electrical power to another form
Biology and medicine •
Michaelis–Gutmann bodies, concentrically layered basophilic inclusions in the urinary tract •
Monoglyceride, or monoacylglycerol •
Myasthenia gravis, a neuromuscular disease •
Mycoplasma gallisepticum, a disease affecting chickens and other birds •
Mycoplasma genitalium, a sexually transmitted bacterium •
Marker gene, a gene which can be used to find taxonomic lineages, or a gene used to find if a DNA sequence has been inserted into an organism
Units of measurement •
Milligram (mg), equal to 10 gram •
Megagauss (MG), equal to 100 teslas •
Megagram (Mg), equal to 10 grams, commonly known as tonne •
Milligauss (mG), equal to 10 tesla ==Other uses==