greenhouse

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greenhouse¹

  • /ˈɡɹiːnhaʊs/ UK
  • /ˈɡɹːnˌ(h)aʊs/ US

Where it comes from

From green + house ("house for growing greens"), in reference to the produce grown within.

noun greenhouses

  1. A building used to grow plants, particularly one with large glass windows or plastic sheeting to trap heat from sunlight even in intemperate seasons or climates. The royal party had dined in the greenhouse, the coup d'œil of which was as striking as it was new. Vast stands of the most costly exotics reached to the glass roof, which was partly covered by a luxuriant vine, or by a small scarlet creeper.

    Similar: conservatory, glasshouse, plant-house

  2. UK, dated, slang The glass of a plane's cockpit. In the slang of the Royal Air Force man, the cockpit of his plane is the ‘pulpit’ or ‘office’, the glass covering over it the ‘greenhouse’.
  3. Ireland, slang A public toilet. All kinds of places are good for ads. That quack doctor for the clap used to be stuck up in all the greenhouses.
  4. A structure that shields the operating table to protect against bacteria. Figure 2.6 shows the diagram Charnley published of the airflow in the 'greenhouse'; it can be seen that reasonable downward unidirectional airflow was achieved close to the operating table.
  5. A hot state in global climate.

    Similar: hothouse · Opposite: icehouse

verb greenhouses · greenhousing · greenhoused

  1. transitive To place (plants) in a greenhouse.
  2. figuratively, transitive To nurture in order to promote growth. It's almost impossible to make judgements when you're being playful – as by definition it's spontaneous activity – so your baby ideas get nurtured and greenhoused better.

Greenhouse²

proper noun Greenhouses

  1. A surname.

Thesaurus

Closest in meaning: glasshouse, nursery, oven, glass, gas, stove, warming, poly, whitefly, talon, squeeze, occlusion, shake, reduction, tight, conservatory

Translations

Every language

noun building in which plants are grown more quickly than outside

Españolinvernadero, invernáculo, estufa
한국어온실 onsil
日本語温室 onshitsu, ハウス hausu
中文溫室 /温室 wēnshì
हिन्दीग्रीनहाउस grīnhāus, हरितगृह haritgŕh
Portuguêsviveiro, estufa
Françaisserre
DeutschGewächshaus, Treibhaus, Glashaus
Italianoserra
Ελληνικάθερμοκήπιο thermokípio
Românăseră
Русскийтепли́ца teplíca, парни́к parník, оранжере́я oranžeréja
Tiếng Việtnhà kính
العربيةدَفِيئَة زِرَاعِيّة dafīʔa zirāʕiyya, دَفِيئَة dafīʔa, صُوبَة ṣūba
עבריתחֲמָמָה khamamá

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MLA

"greenhouse." Wiktionary, via Micwyn, micwyn.com/word/greenhouse. Accessed 6 Nov. 2026.

APA

greenhouse. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/greenhouse

Chicago

"greenhouse." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/greenhouse.

BibTeX
@misc{greenhouse_2026,
  title = {greenhouse},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/greenhouse},
  urldate = {2026-11-06}
}