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English definition of “open house”

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open house

noun  /ˈoʊ·pən ˈhɑus/ us  

open house noun (PARTY)

[C usually sing] a party at which visitors are welcome in your home: We’re having an open house on Sunday.

open house noun (HOUSE FOR SALE)

[C usually sing] a time when a house or apartment that is being sold or is available for rent can be looked at by the public

open house noun (PUBLIC EVENT)

[C] an occasion when an organization such as a school or college allows members of the public in to see what happens there
(Definition of open house from the Cambridge Academic Content Dictionary © Cambridge University Press)
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