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Open University
Open U·ni·ver·si·ty
SEC
OU
a British university that teaches adult students mainly in their own homes by means of radio and television programmes and courses of study sent by mail
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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open sesame
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open source
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open system
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Open, the
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open verdict
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open vowel
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open-air
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open-and-shut case
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open-door policy
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