6 letters · 12 points in Scrabble
noun a situation that is ideal for rapid development (especially of something bad)
noun a bed of earth covered with glass and heated by rotting manure to promote the growth of plants
originEtymology tree English hot Proto-Germanic *badją Proto-West Germanic *badi Old English bedd Middle English bed English bed English hotbed From hot + bed.
Etymology from Wiktionary, CC BY-SA 3.0