Metrology: : The scientific study of weights and measures.
Genesiology: : The science of generation.
Physics: : The study of the properties of matter.
Molecular biology: : The study of the structure of the molecules which are of importance in biology.
Hydrodynamics: : The mathematical study of the forces, energy and pressure of liquid in motion.
Sociology: : The study of human society.
Electrostatics : : The study of static electricity.
Statistics : : The collection and analysis of numerical data.
Neuropathology: : The study of diseases of the nervous system.
Biometry: : The application of mathematics to the study of living things.
Geophysics: : The physics of the earth.
Cosmology: : The science of the nature, origin and history of the Universe.
Fractography : : The study of fractures in metal surfaces.
Selenology: : The scientific study of moon, its nature, origin, movement, etc.
Osteology: : The study of the bones.
Phytogeny: : The science dealing with origin and growth of plants.
Cytology: : The study of cells, especially their formation, structure and functions.
Microbiology: : The study of minute living organisms, including bacteria, moulds and pathogenic protozoa.
Aetiology: : The science of causation.
Aerodynamics: : (i) The branch of mechanics that deals with the motion of air and other gases. (ii) The study of the motion and control of solid bodies like aircraft, missiles, etc., in alt.
Zootaxy : : Classification of animals
Geomorphology: : The study of the characteristics, origin and development of land forms.
Dermatology: : The study of skin and skin diseases.
Histology: : The study of tissues.
Teleology: : The study of the evidences of design or purpose in nature.
Gerontology: : The study of old age, its phenomena, diseases, etc.
Meteorology: : The science of the atmosphere and its phenomena.
Radiology: : The study of X-rays and radioactivity.
Otology : : The study of the ear and its diseases.
Chronobiology: : The study of the duration of life.
Biomechanics: : The study of the mechanical laws relating to the movement or structure of living organisms.
Pomology: : The science that deals with fruits and fruit growing.
Seismology: : The study of earthquakes and the phenomena associated with it.
Biology: : The study of living things, of both flora and fauna.
Eugenics: : The study of the production of better offspring by the careful selection of parents.
Genealogy: : The study of family origins and history. It includes the compilation of lists of ancestors and arranging them in pedigree charts.
Hydrography: : The science of water measurements of the earth with special reference to their use for navigation.
Virology: : The study of viruses.
Biotechnology: : The use of living organisms or other biological systems in the manufacture of drugs or other products or for environmental management.
Lithology : : A systematic study of rocks.
Alchemy: : Chemistry in ancient times.
Planetology: : The study of the planets of the Solar System.
Ceramics: : The art and technology of making objects from clay, etc. (pottery).
Hydrometallurgy: : The process of extracting metals at ordinary temperature by bleaching ore with liquids.
Orthopaedics: : The branch of surgery that deals with the deformities and diseases of bones and joints, especially in children.
Nanotechnology: : The technology that is based on the scale of nanometres (10-9 m).
Hydrology: : The study of water with reference to its occurrence and properties in the hydrosphere and atmosphere.
Geobotany: : The branch of botany dealing with all aspects of relations between plants and the earth's surface.
Psychology: : The study of human and animal behaviour.
Toxicology: : The study of poisons.
Bioinformatics: : The creation and maintenance of the databases of biological information by the usage of advanced computing systems.
Electronics: : The study of the development, behaviour and applications of electronic devices and circuits.
Therapeutics: : The science and art of healing.
Acoustics: : The study of sound (or the science of sound).
Hydroponics: : The cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil.
Genecology: : The study of genetical composition of plant population in relation to their habitats.
Telepathy: : Communication between minds by some means other than sensory perception.
Numerology: : The study of numbers. The study of the date and year of one's birth and their influence on one's future life.
Cosmogony: : The science of the nature of heavenly bodies.
Agrohiology: : The science of plant life and plant nutrition.
Zoogeography: : The study of the geological distributions of animals.
Sericulture: : The scientific study of raising of silkworms for the production of raw silk.
Phonetics: : The study of speech sounds and their production, transmission, reception, etc.
Geochemistry: : The study of the chemical composition of the earth's crust and the changes which take place within it.
Mammography: : Radiography of the mammary glands.
Conchology: : The branch of zoology dealing with the shells of molluscs.
Gynecology : : The study of diseases of women's reproductive organs.
Bionomy: : The science of the laws of life.
Anatomy: : The science dealing with the structure of animals, plants or human body.
Mycology: : 'The study of fungi and fungus diseases.
Ethnology: : A branch of anthropology that deals with the origin, distribution and distinguishing characteristics of the races of mankind.
Physical Science: : The study of natural laws and processes other than those peculiar to living matters, as in physics, chemistry and astronomy.
Dactylography: : The study of fingerprints for the purpose of identification.
Phenology: : The study of periodicity phenomena of plants.
Tectonics: : The study of structural features of earth's crust.
Aerostatics: : The branch of statics that deals with gases in equilibrium and with gases and bodies in them.
Neurology: : The study of the nervous system, its functions and disorders.
Arboriculture: : Cultivation of trees and vegetables.
Biophysics: : The physics of vital processes (living things).
Metallography: : The study of the crystalline structures of metals and alloys.
Genetics: : The branch of biology dealing with the phenomena of heredity and the laws governing it.
Optics: : The study of nature and properties of light.
Zoology: : The study of animal life.
Chronology: : The science of arranging time in periods and ascertaining the dates and historical order of past events.
Cytogenetics: : The branch of biology dealing with the study of heredity from the point of view of cytology and genetics.
Radio Astronomy: : The study of heavenly bodies by the reception and analysis of the radio frequency electromagnetic radiations which they emit or reflect.
Agronomy: : The science of soil management and the production of field crops.
Geomedicine: : The branch of medicine dealing with the influence of climate and environmental conditions on health.
Horticulture: : The cultivation of flowers, fruits, vegetables and ornamental plants.
Biochemistry: : The study of chemical processes of living things.
Hydrostatics: : The mathematical study of forces and pressures in liquids.
Geodesy: : Methods of surveying the earth for making maps and correlating geological, gravitational and magnetic measurements. It is a branch of geo-physics.
Cryogenics: : The science dealing with the production, control and application of very low temperatures.
Ecology: : The study of the relation of animals and plants to their surroundings, animate and inanimate.
Archaeology: : The study of antiquities.
Hygiene: : The science of health and its preservation.
Chemotherapy: : The treatment of disease by using chemical substances.
Anthropology: : 'The science that deals with the origin as well as the physical and cultural developments of mankind.
Photobiology: : The branch of biology dealing with the effect of light on organisms.
Astrochemistry: : The study of interstellar matter with a view to knowing the origin of the Universe.
Geobiology: : The biology of terrestrial life.
Bacteriology: : The study of bacteria.
Bionomics: : The study of the relation of an organism to its environments.
Crystallography: : The study of the structure, forms and properties of crystals.
Autoecology : : The study of the ecology of species.
Morphology: : The science of organic forms and structures.
Spectroscopy: : The study of matter and energy by the use of spectroscope
Otorhinolaryngology: : The study of diseases of ear, nose and throat.
Pharyngology: : The science of the pharynx (the cavity at the back of the mouth where the passages to the nose, lungs and stomach begin) and its diseases.
Cytochemistry: : The branch of cytology dealing with the chemistry of cells.
Odontology: : The scientific study of the teeth.
Bioclimatology: : The study of the effects of climate upon living organisms.
Ethnography: : A branch of anthropology dealing with the scientific description of individual cultures.
Nosology : : The branch of medicine that deals with the classification of diseases.
Geography: : The development of science of the earth's surface, physical features, climate, population, etc.
Metallurgy: : The process of extracting metals from their ores.
Agrostology: : The study of grasses.
Hydropathy: : The treatment of disease by the internal and external use of water.
Entomology: : The study of insects.
Ethology: : The study of animal behaviour.
Cryptography: : The study of cyphers or codes (secret writings).
Biometeorology: : .The study of the effects of atmospheric conditions on living organisms.
Astronomy: : The study of the heavenly bodies.
Pathology: : Branch of medicine that studies the causes and nature of diseases, especially the structural and functional changes brought about by diseases.
Cryotherapy: : Use of cold, but not freezing cold, as a form of treatment. Hypothermia may be deliberately induced during surgery, for instance, to decrease a patient's oxygen requirement.
Ornithology: : The study of birds. :
Aeronomy: : The study of the Earth's upper atmosphere, including its composition, density, temperature, and chemical reactions, as recorded by sounding rockets and earth satellites.
Rheology: : The study of the deformation and flow of matter.
Limnology : : The study of lakes. :
Paleontology : : The study of fossils.
Physiography: : The science of physical geography.
Philology: : The study of written records, their authenticity, etc.
Astronautics: : The science involved in space travel.
Physiology: : The study of the functioning of the various organs of living beings.
Astrology: : The ancient art (now mostly termed a pseudo-science) of predicting the course of human destinies with the help of indications deduced from the position and movement of the heavenly bodies.
Climatotherapy : : The treatment of disease through suitable climatic environment, often, but not always, found in recognised health resorts. As climate is subject to seasonal variations, the required environment may have to be sought in different localities at different periods of the year.
Topography: : special description of a part or region.
Epidemiology: : The branch of medicine dealing with epidemic diseases.
Botany: : The study of plants. :
Chemistry: : The study of elements and their laws of combination and behaviour.
Hydrometeorology: : The study of the occurrence, movement and changes in the state of water in the atmosphere.
Radiobiology: : The branch of biology which deals with the effects of radiations on living organisms.
Phycology: : 'The study of algae. :
Osteopathy: : 1\ therapeutic system based upon detecting and correcting faulty structure in bones and muscles.
Glaciology: : The study of ice and the action of ice in all its forms
Bionics: : The study of functions, characteristics and phenomena observed in the living world and the application of this knowledge to the world of machines.
Astrophysics: : The branch of astronomy concerned with the physical nature of heavenly bodies.
Geology: : The science that deals with the physical history of the earth.
Cosmography: : The science that describes and maps the main features of the Universe.
Cryobiology : : The science that deals with the study of organisms, especially warm-blooded animals, at low temperature. The principal effect of cold on living tissues is destruction of life or preservation of it at a reduced level of activity.
Phrenology: : The study of the faculties and qualities of minds from the shape of the skull.
Embryology: : The study of development of embryos.
Phthisiology: : The scientific study of tuberculosis.
Paleobotany : : The study of fossil plants.
Aeronautics: : The science or art of flight.