Nutrition (noun)

1. The process of providing or obtaining the food necessary for health and growth.
2. The substances in food that are necessary for growth, health, and good condition.
3. The scientific study of food and drink in relation to health and disease.

Origin:

Late middle english: from latin nutrimentum, from nutrire "nourish".

Examples:

1. Good nutrition is essential for a healthy body.
2. The nutrition label on the food package showed that it was high in sugar.
3. The nutritionist recommended a diet high in fruits and vegetables.
4. The school offered a course on nutrition to teach students about healthy eating.
5. The importance of nutrition in maintaining a healthy lifestyle cannot be overstated.