NUTRITION

3. Any plant whose fruit, seeds, roots, tubers, bulbs, stems, leaves, or flower parts are used as food, as the tomato, bean, beet, potato, onion, asparagus, spinach, or cauliflower.
4. A particular selection of food, especially as designed or prescribed to improve a person's physical condition or to prevent or treat a disease.
7. A quantity of food capable of producing such an amount of energy.
8. An essential or distinctive characteristic, property, or attribute: the chemical qualities of juice.
10. Something that preserves or tends to preserve.
12. Of or being natural or unprocessed grain containing the germ and bran.
15. Any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals.
17. To feed and protect.
18. Such a plant when valued for its medicinal properties, flavor, scent, or the like.

1. An exact or specified amount or measure.
2. A store selling foods already prepared or requiring little preparation for serving, as cooked meats, cheese, salads, and the like.
3. Any of a group of organic substances essential in small quantities to normal metabolism, found in minute amounts in natural foodstuffs or sometimes produced synthetically.
5. A small, hard seed, especially the seed of a food plant such as wheat, corn, rye, oats, rice, or millet.
6. An amount of food served for one person; serving; helping.
9. A person who does not eat or does not believe in eating meat, fish, fowl, or, in some cases, any food derived from animals, as eggs or cheese, but subsists on vegetables, fruits, nuts, grain, etc.
11. A vegetarian who omits all animal products from the diet.
12. A transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen.
13. Noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
14. Something that enters as an element into a mixture.
16. The general condition of the body or mind with reference to soundness and vigor.