hotbed
hot bed
- n a situation that is ideal for rapid development (especially of something bad)
it was a hotbed of vice - n a bed of earth covered with glass and heated by rotting manure to promote the growth of plants
- The university became a hotbed of radical theology.
- His country is also a hotbed of counterfeiting and car smuggling.
- A hotbed of activity is Silicon Valley, where the number of Chinese espionage cases handled by the bureau increases 20% to 30% annually.