Dead Reckoning Definition
noun
The finding of a ship's position by an estimate based on data recorded in the log, as speed and the time spent on a certain course, rather than by more precise means, as astronomical observations or Loran.
Webster's New World
Predictive calculation based on inference; guesswork.
American Heritage
Other Word Forms of Dead Reckoning
Noun
Singular:
dead reckoningPlural:
dead reckoningsOrigin of Dead Reckoning
-
Possibly alteration of ded. abbr. of deduced from deduce to trace from the beginning deduce
From American Heritage Dictionary of the English Language, 5th Edition
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