Origin of dead reckoningfrom ded. reckoning, abbreviation, abbreviated of deduced reckoning
dead reckoningdead reckoning
- A method of estimating the position of a vehicle such as an aircraft or a ship based on its previous position and its course and speed over a known interval of time.
- Predictive calculation based on inference; guesswork.
Origin of dead reckoningPossibly alteration of ded. abbr. of deduced from deduce to trace from the beginning ; see deduce .