[ak-wuh-kuhl-cher, ah-kwuh-]
the cultivation of aquatic animals and plants, especially fish, shellfish, and seaweed, in natural or controlled marine or freshwater environments; underwater agriculture.

1865–70; aqua- + (agri)culture

aquacultural, adjective
aquaculturist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aquaculture or aquiculture (ˈækwəˌkʌltʃə)
the cultivation of freshwater and marine resources, both plant and animal, for human consumption or use
aquiculture or aquiculture

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1887, from aqua- + culture.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
aquaculture   (āk'wə-kŭl'chər, ä'kwə-)  Pronunciation Key 
  1. The science of cultivating marine or freshwater food fish, such as salmon and trout, or shellfish, such as oysters and clams, under controlled conditions.

  2. See hydroponics.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Salmon enjoyed a brief rebound after buyouts of commercial fisheries and the
  introduction of aquaculture.
Aquaculture is a high tech industry with a great future.
The condition of the oceans makes responsible aquaculture necessary.
As the vermiculture and aquaculture examples suggest, we're not talking about
  grandpa's idea of food production.
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