greenhouse

2 ENTRIES FOUND:

greenhouse

Building designed for the protection of tender or out-of-season plants against excessive cold or heat. Usually a glass- or plastic-enclosed structure with a framing of aluminum, galvanized steel, or such woods as redwood, cedar, or cypress, it is used for the production of fruits, vegetables, flowers, and any other plants requiring special temperature conditions. It is heated partly by the sun and partly by artificial means. This controlled environment can be adapted to the needs of particular plants.

This entry comes from Encyclopædia Britannica Concise.
For the full entry on greenhouse, visit Britannica.com.

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