- microdensitometry
- mulligan
- mullioned
- microstoma
- microplot
- micropogonias undulatus
- melanoglossia
- myxedema
- micropterus dolomieu
- microprogrammed microprocessor
- meningovascular
- meninggoradicular syndrome
- mitochondreal membrane
- Milanese
- margarin
- mary i
- mary tudor
- milk_alkali syndrome
- mixed feeding
- marital communications privilege
- milk ridge
- milk powder
- milk precipitin disease
- marconi
- marco polo
- Malathion
- matrimonial law
- mendel
- mole drainage
- millary tuberculosis
- micromillimeter
- micromillimetre
- melbourne
- moisturizer
- moisture equivalent
- moisture stress
- moisturiser
- moisture regime
- moist necrosis
- monarchal
- monarchial
- monarchic
- moshe dayan
- moonless
- moony
- mambrane bound vacuole
- monolithic technology
- mixed type expression
- mixed_radix notation
- mosquito hawk