'Radioactivity' is the energy and mass released by spontaneous changes in the nucleus of an atom. However, 'Radiation' is energy that travels ('radiates') as waves or particles. Heat, light, sound, microwaves, radar, radio waves, X-rays, alpha and beta particles, and gamma rays are all forms of radiation.
For medicine, see etiology (medicine) . Etiology (/iËtiËÉlÉdÊi/ ; alternatively aetiology or aetiology) Ã¦tiology is the study of, causation or. Origination the word is derived from The greek, Î±á¼°ÏÎ¹Î¿Î»Î¿Î³Î¯Î±, aitiologia giving a reason (for, Î±á¼°ÏÎ¯Î±, aitia; cause -and, -Î»Î¿Î³Î¯Î±). logiatiology (/iËtiËÉlÉdÊi/ ; alternatively aetiology or aetiology) Ã¦tiology is the study of, causation or. origination
This is a classic case of spelling difference between American English and British English. Etiology or aetiology is most commonly used as a medical term for the cause of a certain disease. It is also the name of the field of medicine focused on finding the cause of conditions or diseases.Outside the United States we find aetiology, aetiologies, aetiologic, aetiological, and aetiologically.Examples.his is a classic case of spelling difference between American English and British English. Etiology or aetiology is most commonly used as a medical term for the cause of a certain disease. It is also the name of the field of medicine focused on finding the cause of conditions or diseases.