Chemical elements which are involved in the construction of living tissue and which are needed by both plant and animal. The most important in terms of bulk are carbon, hydrogen and oxygen, with other essential ones including nitrogen, potassium, calcium, sulphur and phosphorus.
providing nourishment; "good nourishing food"
any substance that can be metabolized by an organism to give energy and build tissue
of or providing nourishment; "good nourishing stew"
any substance that can be metabolized by an animal to give energy and build tissue
any substance (such as a chemical element or inorganic compound) that can be taken in by a green plant and used in organic synthesis
