Definition of "hothouse" []

• A heated greenhouse for plants that require an even, relatively warm temperature. (noun)
• An environment conducive to vigorous growth or development; a hotbed: "With its mix of African, Latin, European, and pan-American influences, the Caribbean is truly a musical hothouse” ( New Yorker). (noun)
• Grown in a hothouse: a hothouse orchid. (adjective)
• Delicate and sensitive, as if from being grown in a hothouse. (adjective)
• To cultivate in a hothouse. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The atmosphere was purified in a vast "hothouse" - a large, circular room buried just below the lunar surface."
• "“Saturated in hothouse colors, the three-act “Lantern” is an intense dance-theater version of the multi-award-winning film by Chinese auteur Zhang Yimou (” Hero,” “House of Flying Daggers”)."
• "PIJ arose out of a nucleus of Palestinian students at Zakazik University in Egypt, known as a hothouse of religious fanaticism."