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Terminology :
hydrodynamics : the mathematical study of the forces, energy and pressure of liquid in motion.

Terminology :
hydrography : the science of water measurements of the earth with special reference of their use for navigation.

Terminology :
hydrology : the study of water with reference to its occurrence and properties in the hydrosphere and atmosphere.

Terminology :
hydrometallurgy : the process of extracting metals at ordinary temperature by bleaching ore with liquids.

Terminology :
hydropathy : the treatment of disease by the internal and external use of water.

Terminology :
hydroponics : the cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil.

Terminology :
hydrostatics : the mathematical study of forces and pressure in liquids.

Terminology :
hygiene : the science of health and its preservation.

Terminology :
lconography : teaching with the aid of pictures and models.

Terminology :
lconology : the study of symbolic representations.

Terminology :
jurisprudence : the science of law.

Terminology :
lexicography : the writing or compiling of dictionaries.

Terminology :
mammography : radiography of the mammary glands.

Terminology :
metallography : the study of the crystalline structures of metals and alloys.

Terminology :
metallurgy : the process of extracting metals from their ores.

Terminology :
meteorology : the science of the atmosphere and its phenomena.

Terminology :
metrology : the scientific study of weights and measures.

Terminology :
microbiology : the study of minute living organisms, including bacteria, molds and pathogenic protozoa.

Terminology :
moleccular biology : the study of the structure of the molecules which are of importance in biology.

Terminology :
morphology : the science of organic forms and structures.

Fact
Makes sense: Babe Ruth wore No. 3 because he batted third. .. More >>