[mid-kawrs, -kohrs]
the middle of a course.
Rocketry. the portion of a ballistic trajectory between the end of powered flight and the beginning of the reentry phase.
Aerospace. the portion of a space trajectory between leaving the earth's vicinity and arrival at the desired destination, as another planet.

1555–65; mid- + course

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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The option for the first spacecraft midcourse correction was not exercised.
Onboard midcourse navigation techniques were thoroughly exercised.
The information below summarizes the results of the midcourse survey.
The planned midcourse maneuver was designed to carryout this function.
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