This is the 17409th most frequent Russian word.
тепличном
"Тепличном" means "greenhouse" in the sense of something related to or characteristic of a greenhouse environment.
Refers to controlled and sheltered conditions, metaphorically describing an environment.
Он живёт в тепличном климате.
He lives in a greenhouse climate.
Refers to a physical location such as a greenhouse where plants are cultivated.
В тепличном помещении выращивают цветы.
Flowers are grown in the greenhouse room.
Describes a metaphorical setting of overly protective or nurturing circumstances.