'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
geÂ·netÂ·ic. adj. 1. a. Of or relating to genetics or genes. b. Affecting or determined by genes: genetic diseases. 2.Of, relating to, or influenced by the origin or development of something. 3. Linguistics Of or relating to the relationship between or among languages that are descendants of the same language.eÂ·netÂ·ic. adj. 1. a. Of or relating to genetics or genes. b. Affecting or determined by genes: genetic diseases. 2.