nutrient

(noun) any substance that can be metabolized by an animal to give energy and build tissue. Synonyms: food.

(noun) any substance (such as a chemical element or inorganic compound) that can be taken in by a green plant and used in organic synthesis.

(adj) of or providing nourishment. Synonyms: alimentary, alimental, nourishing, nutritious, nutritive. Example: "Good nourishing stew."