hot·house 
/ˈhɑ:tˌhaʊs/ noun
plural hot·hous·es /ˈhɑ:tˌhaʊs/ noun [count] : a heated building used for growing plants — compare greenhouse
— hothouse adjective always used before a noun
▪ hothouse tomatoes [=tomatoes grown in a hothouse]
▪ hothouse tomatoes [=tomatoes grown in a hothouse]
