uncorrect

[ uhn-kuh-rekt ]
/ ˌʌn kəˈrɛkt /

verb (used with object) Navigation.

to convert (a true course) into a magnetic course.
to convert (a magnetic course) into a compass course.

Origin of uncorrect

First recorded in 1495–1505; un-2 + correct
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019