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"Thesis" and "dissertation" were at one time totally interchangeable.
This is the American English definition of interchangeable. View British English definition of interchangeable.
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View the pronunciation for interchangeable.
English version of definition of interchangeable
a paid holiday given to a new employee before they start their job
relating to the work of a rabbi
an expandable stick which you attach to a mobile phone or camera to help you take a selfie …
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American definition of interchangeable from the online English dictionary from Macmillan Publishers Limited.