12-letter words that end in gy
- paleoecology — the branch of ecology dealing with the relations and interactions between ancient life forms and their environment.
- paleogeology — the science of representing geologic conditions of some given time in past earth history.
- paleontology — the science of the forms of life existing in former geologic periods, as represented by their fossils.
- paleozoology — the branch of paleontology dealing with fossil animals.
- paradoxology — a statement or proposition that seems self-contradictory or absurd but in reality expresses a possible truth.
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- paroemiology — the study of proverbs
- pathobiology — pathology with emphasis on the biological aspects of disease
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- pharmacology — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharyngology — the science of the pharynx and its diseases.
- photobiology — the study of the effects of light on biological systems.
- photogeology — the technique of interpreting geology from aerial photographs or compiling geologic maps therefrom.
- phytobiology — the branch of biology dealing with plants.
- placentology — the scientific study of the placenta
- pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
- pneumonology — the study of the respiratory system
- protistology — the biology of the Protista.
- protozoology — the branch of biology concerned with the study of protozoans
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- rheumatology — the study and treatment of rheumatic diseases.
- saprobiology — the branch of ecology that studies decaying organic matter or environments, especially saprophytes that derive nourishment in this way.
- sociobiology — the study of social behavior in animals with emphasis on the role of behavior in survival and reproduction, engaging branches of ethology, population genetics, and ecology.
- solar energy — energy derived from the sun in the form of solar radiation.
- stoichiology — the branch of biology concerned with the study of the cellular components of animal tissues
- thaumatology — the study or description of miracles.
- tidal energy — energy obtained by harnessing tidal power
- traumatology — a branch of surgery dealing with major wounds caused by accidents or violence.
- zoophytology — the branch of zoology concerning zoophytes