-Ology

Scientific term

Is the study of

Aetiology

Causes of disease

Agrostology

Grasses – classification and use

Anthropology

Man and mankind

Astrology

Prediction using the stars

Astronomy

Heavenly bodies

Autecology

Organism/environment relationship

Biology

Life

Cardiology

The heart and its diseases

Cytology

Cells

Dendrology

Trees and shrubs

Dermatology

The skin and its diseases

Ecology

Life/environment relationships

Entomology

Insects

Etymology

The origin of words

Epidemiology

Disease in defined populations

Geology

The earth’s crust

Geomorphology

The form of the earth’s surface

Gerontology

Ageing and the problems of age

Gynaecology

Diseases specifically of women

Haematology

Blood and its diseases

Histology

Minute structures of the body

Hydrology

Environmental water dynamics

Immunology

The body’s immune system

Limnology

Freshwater environments

Meteorology

The earth’s atmosphere and weather

Morphology

Structure of micro-organisms

Mycology

Fungi

Neurology

The nervous system

Neuropathology

Diseases of the nervous system

Nosology

Scientific classification of disease

Oncology

Malignant disease, e.g. cancer

Ontology

Metaphysics and the nature of being

Ophthalmology

The eye and its diseases

Pedology

Soil morphology and distribution

Pharmacology

Drugs – their character and use

Phenology

Climate and life form seasonality

Philology

Language

Phrenology

Health via head shape (discredited)

Physiology

Healthy organs of the body

Radiology

X-rays and similar radiation

Rheology

The flow of materials

Rheumatology

Rheumatic diseases

Scientology

Religion through science (belief)

Serology

Antibody/antigen reactions

Sociology

Human social behaviour

Toxicology

Poisons

Tribology

Moving surface interactions

Urology

Urogenital tract and its diseases

Virology

Viruses

Zoology

The natural history of animals