approximation vs dead reckoning

dead reckoning vs approximation

approximation and dead reckoning both are nouns.

Word	Noun	Adjective	Verb	Adverb
approximation	Yes	No	No	No
dead reckoning	Yes	No	No	No

As nouns, dead reckoning is a hyponym of approximation; that is, dead reckoning is a word with a more specific, narrower meaning than approximation:

approximation: an approximate calculation of quantity or degree or worth
dead reckoning: an estimate based on little or no information

Other hyponyms of approximation include scalage, credit, credit rating, guess, guessing, guesswork, shot, guesstimate, guestimate, overestimate, overestimation, overrating, overreckoning, underestimate, underestimation, underrating, underreckoning.

approximation (noun)	dead reckoning (noun)
the act of bringing near or bringing together especially the cut edges of tissue	navigation without the aid of celestial observations
the quality of coming near to identity (especially close in quantity)	an estimate based on little or no information
an approximate calculation of quantity or degree or worth
an imprecise or incomplete account

Difference between approximation and dead reckoning

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