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greenhouse

mastery

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

card 1 of 10 · context meaning

What does 'greenhouse' refer to in this context?

The greenhouse system for providing a nearly bacteria-free operating environment consists of a 10 by 10-foot aluminum frame with plexiglass panes.