What does dead reckoning mean?
Definitions for dead reckoning
dead reck·on·ing
This dictionary definitions page includes all the possible meanings, example usage and translations of the word dead reckoning.
Princeton's WordNet
guess, guesswork, guessing, shot, dead reckoningnoun
an estimate based on little or no information
dead reckoningnoun
navigation without the aid of celestial observations
Wiktionary
dead reckoningnoun
A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled to a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR
Samuel Johnson's Dictionary
Dead-reckoningnoun
a sea-term. That estimation or conjecture which the seamen make of the place where a ship is, by keeping an account of her way by the log, by knowing the course they have steered by the compass, and by rectifying all with allowance for drift or lee-way; so that this reckoning is without any observation of the sun, moon, and stars, and is to be rectified as often as any good observation can be had.
Wikipedia
Dead reckoning
In navigation, dead reckoning is the process of calculating the current position of a moving object by using a previously determined position, or fix, and incorporating estimates of speed, heading (or direction or course), and elapsed time. The corresponding term in biology, to describe the processes by which animals update their estimates of position or heading, is path integration. Dead reckoning is subject to cumulative errors. Advances in navigational aids that give accurate information on position, in particular satellite navigation using the Global Positioning System, have made simple dead reckoning by humans obsolete for most purposes. However, inertial navigation systems, which provide very accurate directional information, use dead reckoning and are very widely applied.
ChatGPT
dead reckoning
Dead reckoning is a navigational technique used to determine one's current position based on a previously known position and advancing that position based upon known or estimated speeds over elapsed time, and course direction. It's often used when no other method of determining position is available, such as in instances where satellite navigation systems are down or unavailable. However, dead reckoning can accumulate errors over time and distance, so it is less accurate than other methods of navigation.
Wikidata
Dead reckoning
In navigation, dead reckoning is the process of calculating one's current position by using a previously determined position, or fix, and advancing that position based upon known or estimated speeds over elapsed time, and course. Dead reckoning is subject to cumulative errors. Advances in navigational aids which give accurate information on position, in particular satellite navigation using the Global Positioning System, have made simple dead reckoning by humans obsolete for most purposes. However, inertial navigation systems, which provide very accurate directional information, use dead reckoning and are very widely applied. By analogy with their navigational use, the words dead reckoning are also used to mean the process of estimating the value of any variable quantity by using an earlier value and adding whatever changes have occurred in the meantime. Often, this usage implies that the changes are not known accurately. The earlier value and the changes may be measured or calculated quantities. There is speculation on the etymological origin of the term, but no reliable information.
Suggested Resources
dead reckoning
Read the full text of the Dead Reckoning poem by Kurt Philip Behm on the Poetry.com website.
Etymology and Origins
Dead Reckoning
Calculating a ship’s whereabouts at sea from the log-book without aid from the celestial bodies.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of dead reckoning in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of dead reckoning in Pythagorean Numerology is: 2
References
Translations for dead reckoning
From our Multilingual Translation Dictionary
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"dead reckoning." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/dead+reckoning>.
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