- a bed of earth covered with glass and heated by manure, electricity, etc. for forcing plants
- any place that fosters rapid growth or extensive activity
See hotbed in American Heritage Dictionary 4
- An environment conducive to vigorous growth or development, especially of something undesirable: a hotbed of intrigue.
- A glass-covered bed of soil heated with fermenting manure or by electricity, used for the germination of seeds or for protecting tender plants.
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