5start operating [ intransitive and transitive ] ( also open up ) if a place such as an office, shop, restaurant etc opens or is opened, it starts operating or providing a service : Sarah had recently opened an office in Genoa.
French and Scandinavian offices are due to open in the autumn.
The Forestry Commission has opened a plant centre selling rare plants.
The centre has been a great success since it opened its doors a year ago.
Source: Longman Dictionary of Contemporary English
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