Noun
A bed of earth heated by fermenting manure or other substances, and covered with glass, intended for raising early plants, or for nourishing exotics.
A place which favors rapid growth or development; as, a hotbed of sedition.
Source: Webster's dictionaryI don't want to make it sound like a hotbed of lesbianism but I did have a number of relationships. Jean O'Leary
Texas is a hotbed of insanely good bands and musicians. Henry Rollins
College campuses were once a hotbed of political activity. Tom Ford
Kaizen is like a hotbed that nurtures small and ongoing changes, while innovation is like magma that appears in abrupt eruptions from time to time. Masaaki Imai
Who would have thought that in the 1950s, Burbank was a hotbed of international espionage? Annie Jacobsen
I've actually found the image of Silicon Valley as a hotbed of money-grubbing tech people to be pretty false, but maybe that's because the people I hang out with are all really engineers. Linus Torvalds