deadreckoning

deadreckoning
dead reckoning n.
1. A method of estimating the position of an aircraft or a ship without astronomical observations, as by applying to a previously determined position the course and distance traveled since.
2. Predictive calculation based on inference; guesswork.
  [Possibly alteration of ded., abbr. of deduced, from deduce, to trace from the beginning. See deduce.]

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Universalium. 2010.

Игры ⚽ Нужно решить контрольную?

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