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Glossary of Terms (as used in the lessons) N is for . . . |
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| Nahuatl | A group of Mexican and Central American Indian tribes, including the Aztecs. |
| nanny | A female goat. |
| native grasses | Grass plants which occur naturally in an area and do not have to be planted. |
| natural fibers | Fibers obtained from plants and animals. |
| natural resource | Something that occurs in nature and is valuable to humans. |
| nectar | A sweet liquid secreted by flowers of various plants and gathered by bees for making honey. |
| negative | An image in which the light areas of an object appear dark, and the dark areas appear light. |
| Nembutal | A type of sedative drug administered to livestock. |
| niacin | A vitamin B complex occurring in living cells as an essential substance for growth. |
| nitrogen | Gas that occurs naturally in the air and soil, where it is converted into usable forms for plant use by bacteria and other natural processes. |
| non-renewable | Inability to regrow or replenish; limited quantity. |
| notching | Cutting a V-shape in the ear of a swine to indicate its litter or number in litter. |
| no-till farming | Method of farming in which plowing is avoided by applying chemicals to eliminate weeds. |
| numerator | The expression written above the line in a common fraction. |
| nurse | To take nourishment from the breast; suckle. |
| nutrient cycle | The process by which nutrients move form one stage of the life cycle to the next. |
| nutrients | Substances necessary for life and growth. |
| nutrition | The science or study that deals with food and nourishment, especially in humans. |
| nylon | Strong, tough, elastic synthetic material used to produce fibers, filaments, bristles or sheets. |
Printable (pdf) version of entire glossary
