- an artificially heated greenhouse for the cultivation of tender plants.
- of, relating to, or noting a plant grown in a hothouse, or so fragile as to be capable of being grown only in a hothouse.
- overprotected, artificial, or unnaturally delicate.
- a greenhouse in which the temperature is maintained at a fixed level above that of the surroundings
- (as modifier)
- an environment that encourages rapid development
- (as modifier)
- an environment where there is great pressure
- sensitive or delicate
