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• to cause something to stop or fail before it begins or before it is complete: The mission had to be aborted at the last minute. If something goes wrong during the launch sequence the system will automatically abort.
• to stop something before it has begun or to cause something to fail before it is complete: Engineers aborted the test flight at the last minute.
• to end a pregnancy before a baby is fully developed
• to have a miscarriage (= an early, unintentional end to a pregnancy): The bacterial infection can cause animals to abort.
• to stop the development of a baby that has not been born, usually by having a medical operation: He declared that women have a right to abort a nonviable fetus. The decision to abort may be based on many factors.

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