1

greenhouse

noun green·house \ ˈgrēn-ˌhau̇s \
Updated on: 12 Nov 2017

Definition of greenhouse

1 : a structure enclosed (as by glass) and used for the cultivation or protection of tender plants
2 : a clear plastic shell (such as a canopy) covering a section of an airplane; also : a compartment (as for a bombardier) enclosed by such a shell

Examples of greenhouse in a Sentence

  1. needed to move the plants into the greenhouse before the first frost killed them

Recent Examples of greenhouse from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'greenhouse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of greenhouse

1664

greenhouse Synonyms

Synonyms
glasshouse [chiefly British], conservatory, hothouse
Related Words
cold frame, hot bed; nursery; botanical garden (also botanic garden)

2

greenhouse

adjective

Definition of greenhouse

: of, relating to, contributing to, or caused by the greenhouse effect
  • greenhouse warming
  • greenhouse gases

Recent Examples of greenhouse from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'greenhouse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of greenhouse

1974



GREENHOUSE Defined for English Language Learners

greenhouse

noun

Definition of greenhouse for English Language Learners

  • : a building or part of a building that has glass walls and a glass roof and that is used for growing plants


greenhouse

adjective

Definition of greenhouse for English Language Learners

  • : relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution : relating to or caused by the greenhouse effect


GREENHOUSE Defined for Kids

greenhouse

noun green·house \ ˈgrēn-ˌhau̇s \

Definition of greenhouse for Students

: a building with clear walls and roof (as of glass) for growing plants


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