et

laevakell

1 substantive

Terminological databases

Metroloogia terminibaas

ID 1199050 Last modified 11.10.2026
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Domain metrologymeasuring instruments
  • täppiskell, mida hoitakse laeval ja mida kasutatakse laeva asukoha määramiseks astronoomilise navigatsiooni abil
  • precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation
laevakell
Usage examples
  • Laevakella kasutati pikkuskraadi mõõtmiseks/hindamiseks, võrreldes Greenwichi keskmist aega (GMT) taevakehade vaatluste põhjal kindlaks tehtud kohaliku ajaga. Selle väljatöötamine 18. sajandil oli märkimisväärne tehniline saavutus, kuna täpne aja teadmine pika merereisi vältel oli tõhusaks navigeerimiseks hädavajalik ajal, mil puudusid elektroonilised sidevahendid.
merekromeeter variant
marine chronometer
Usage examples
  • A marine chrometer is used to determine longitude by comparing Greenwich Mean Time (GMT) and the time at the current location found from observations of celestial bodies. When first developed in the 18th century, it was a major technical achievement, as accurate knowledge of the time over a long sea voyage was vital for effective navigation, lacking electronic or communications aids.

Word forms

Inflection Type 22i

laevakell laevakellad
laevakella laevakellade
laevakella laevakelli ~ laevakellasid

Etymology not available

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