| Word | Meaning |
| Greenhouse | A house of glass or transparent plastic that stores heat inside it |
| Hot house | Another name given to an artificial greenhouse |
| Greenhouse effect | The process in which trapped heat raises the temperature inside |
| Greenhouse gas | A gas in the atmosphere that absorbs heat, such as carbon dioxide, chlorofluorocarbon, methane and nitrous oxide |
| Short wavelength radiation | Radiation that comes from the sun and can pass through glass |
| Long wavelength radiation | Radiation sent back from inside, which cannot pass out through glass |
| Off season vegetable | A vegetable grown in a greenhouse outside its own season |
| Desertification | The process by which fertile land turns into dry desert |