medicine
Medicine is a product used to cure diseases that is often taken when a person is ill.
memory
Memory is what we use to remember things.
meningitis
Meningitis is a disease in which there is an inflammation of the membranes that cover the neck and spinal cord, known as meninges.
menstruation
Menstruation is the shedding of the inner lining of the uterus that is expelled at the end of the menstrual cycle.
microscope
A microscope is an instrument used to look at very small things, such as cells and bacteria.