greenhouse
- 01 B1 Intermediate
n.a building made of glass or plastic where you grow plants that need warmth.
n.a structure with transparent walls and roof, designed to trap solar radiation for the cultivation of plants in controlled temperatures.
Simple“He grows tomatoes and peppers in his greenhouse during the winter.”
In context“The botanical garden features a massive Victorian greenhouse that houses rare tropical orchids requiring constant humidity and warmth.”
Synonyms - 02 C1 Advanced
n.a state where the whole planet becomes much warmer than usual.
n.a climatic state of the Earth characterized by high global temperatures and a lack of continental glaciers.
Simple“Scientists study ancient greenhouse periods to understand modern global warming.”
In context“During the Eocene, the planet was in a greenhouse state, with lush forests extending even into the polar regions.”
Synonymshothouse earthAntonymsicehouse - 03 C2 Proficiency
n.the glass cover over the pilot's seat in an airplane.
n.the transparent canopy or glass enclosure of a military aircraft's cockpit.
Simple“The pilot looked out through the greenhouse as he prepared for takeoff.”
In context“The vintage bomber was famous for its extensive greenhouse, which provided the crew with excellent visibility during low-altitude missions.”
- 04 B2 Upper Intermediate
v.to put plants inside a greenhouse to help them grow.
v.to place or cultivate plants within a greenhouse environment.
Simple“You should greenhouse these seedlings before the first frost hits.”
In context“The nursery manager decided to greenhouse the delicate saplings to ensure they survived the unusually harsh spring transition.”
UsageThe verb is transitive and requires a direct object.
Usage greenhouse gas · greenhouse gases
From green + house ("house for growing greens"), in reference to the produce grown within.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.