- methadone hydrochloride
- methadon
- meperidine
- meperidine hydrochloride
- mao zedong
- monoamine oxidase
- maoism
- marge
- margin account
- morean gall
- morel mushroom
- Morchella esculenta
- Morchella crassipes
- mineral resources
- meagerness
- may 1
- megalithic structure
- martina navratilova
- military attache
- missile defence system
- malodorousness
- malice aforethought
- migrant
- motorcyclist
- musher
- mass noun
- medical relation
- multitudinousness
- masculine (gender_in grammar)
- masculine vitality
- male genital organ
- menelaus
- menhaden
- maldon
- male doll
- metrewave
- meterstick
- metrazol shock therapy
- molal elevation constant
- molar volume
- mean systemic pressure
- Markoff process
- Markov process
- manning a warrior's chariot
- managua
- manna lichen
- mannheim
- mock turtle soup
- milligramme
- mother's boy