noun
a medical doctor who specializes in the diagnosis and treatment of disorders of the digestive system
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I have an appointment with a gastroenterologist next week to discuss my digestive issues.
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My friend's dad is a gastroenterologist and he's the one who recommended this new diet to me.
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I heard that the gastroenterologist can help you with your tummy troubles.
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The gastroenterologist is like a detective, trying to solve the mystery of your stomach problems.