moon pool

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See also: moonpool, and moon-pool

English

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Etymology

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A model of the Ceona Amazon, a construction and pipelaying marine vessel. The pipelaying equipment (in yellow) accesses the sea through a moon pool in the centre of the vessel.
A diving bell inside the moon pool of a diving support raft at the Solina Dam, Poland.

From moon +‎ pool, from the fact that, on some nights, moonlight can be seen reflected by the surface of the sea through the opening, making it resemble a swimming pool.[1][2]

Pronunciation

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Noun

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moon pool (plural moon pools)

  1. (nautical, chiefly oil industry) An opening in the base of the hull of a vessel (especially a marine drilling platform), which is used for lowering equipment into the sea below.

Alternative forms

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Hyponyms

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Translations

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References

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  1. ^ Douglas Rutherford [pseudonym; James Douglas Rutherford McConnell] (1981) chapter 2, in Porcupine Basin, London: Macmillan, →ISBN, page 30:It was named moon-pool because on calm nights the water under a rig could reflect the moonlight and give the impression of a calm swimming pool.
  2. ^ moon pool, n.” under moon, n.1”, in OED Online Paid subscription required, Oxford: Oxford University Press, March 2021; moon pool, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

Further reading

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