This is the 9073rd most frequent Japanese word.
温室
Greenhouse.
Usage of '温室' as 'greenhouse', a physical structure for growing plants, demonstrating its common meaning in a general context.
この温室にはたくさんの植物があります。
This greenhouse has many plants.
Here '温室' is used in a metaphorical sense to compare the warmth of his house to the controlled environment of a greenhouse.
彼の家は温室のように暖かいです。
His house is as warm as a greenhouse.
In this case, '温室' appears as part of the term '温室効果', illustrating its use in environmental science referring to climatic phenomena.