Please be sure to eat all the food that is recommended on the Nutrisystem meal plan. You could be at risk of health issues if you do not maintain a healthy diet. 1  If you're pregnant, you may not join the Nutrisystem program.  If you're a nursing mother, you may not join the Nutrisystem program.
Quick Answer. According to The Free Dictionary, etiology, also spelled aetiology, is the study of exploration of the cause or factors contributing to something. In pathology, it specifically denotes the investigation into the cause or origins of a disease.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  axiology(Noun) The study of the origin, nature, functions, types, and interrelations of values; value theory. 2  axiology(Noun) The particular value theory of a philosopher, school of thought, etc.