Diet Definition–noun | 1. | food and drink considered in terms of its qualities, composition, and its effects on health: Milk is a wholesome article of diet. | | 2. | a particular selection of food, esp. as designed or prescribed to improve a person's physical condition or to prevent or treat a disease: a diet low in sugar. | | 3. | such a selection or a limitation on the amount a person eats for reducing weight: No pie for me, I'm on a diet. | | 4. | the foods eaten, as by a particular person or group: The native diet consists of fish and fruit. | | 5. | food or feed habitually eaten or provided: The rabbits were fed a diet of carrots and lettuce. | | 6. | anything that is habitually provided or partaken of: Television has given us a steady diet of game shows and soap operas. | –verb (used with object) | 7. | to regulate the food of, esp. in order to improve the physical condition. | –verb (used without object) | 9. | to select or limit the food one eats to improve one's physical condition or to lose weight: I've dieted all month and lost only one pound. | | 10. | to eat or feed according to the requirements of a diet. | –adjective | 11. | suitable for consumption with a weight-reduction diet; dietetic: diet soft drinks. | |
From Dictionary
Nutrition Definition–noun | 1. | the act or process of nourishing or of being nourished. | | 2. | the science or study of, or a course of study in, nutrition, esp. of humans. | | 3. | the process by which organisms take in and utilize food material. | | 5. | the pursuit of this science as an occupation or profession. | |
From Dictionary
Related topics from BritannicaHealth and Disease
In October the U.S. National Task Force on the Prevention and Treatment of Obesity published a review of nearly 30 years of medical research on "yo-yo" dieting. Contrary to some individual studies, ...
cat, domestic
Domestic cats should have a diet similar to that of their wild relatives. They are adapted by nature to be flesh eaters, as is shown by their alimentary tract and their dentition. The cat uses its ...
nutritional disease
Comprehensive sources on diet and chronic disease are National Research Council (U.S.) Committee on Diet and Health, Diet and Health: Implications for Reducing Chronic Disease Risk (1989); and ...
aging
The populations in poor environments, characterized by high rates of infectious disease and poor nutrition, have higher death rates than populations in good environments at all ages, yet there is no ...
carbohydrate
The total caloric, or energy, requirement for an individual depends on age, occupation, and other factors but generally ranges between 2,000 and 4,000 calories per 24-hour period (one calorie, as ...
dog
Puppies need three basic things in order to thrive: good nutrition, warmth, and companionship. Puppies need to eat three or four times a day from the time they are weaned until they are about six ...
protozoan
The protozoa display a range of nutritional types, from the entirely plantlike photosynthetic (or autotrophic) nutrition to the totally animal-like (or heterotrophic) nutrition, in which bacteria, ...
horse
The horse's natural food is grass. For stabled horses, the diet generally consists of hay and grain. The animal should not be fed immediately before or after work, to avoid digestive problems. Fresh ...
biochemistry
Biochemists have long been interested in the chemical composition of the food of animals. All animals require organic material in their diet, in addition to water and minerals. This organic matter ...
nutrition, human
General comprehensive information is presented in James L. Groff and Sareen S. Gropper, Advanced Nutrition and Human Metabolism, 3rd ed. (2000); Gordon M. Wardlaw and Margaret W. Kessel, Perspectives ...
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