Etymologically
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aquarium

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Pronunciation

  • /əˈkwɛɹ.i.jəm/, /-ɛɹiəm/[1]

Etymology

It is borrowed from Latin aquārium, the neuter singular of aquārius (“of or for water”), used as a noun,[2][3][4][5] from aqua (“water”),[6][5][7] from Proto-Indo-European *akwa- (“water”).[5][6] In classical Latin aquārium was a watering place for cattle,[2][8][9][7] and the English word was modelled on vivarium, a place for keeping live animals.[3][4][10][9] Dictionary.com takes it as a blend of aquārius and vivarium.[11]

Earliest recorded meaning

An artificial pond or tank in which water plants and animals are kept alive: the OED's first record is from the Morning Post of 19 December 1806,[2] and Merriam-Webster dates it to 1805.[7] Etymonline's first date is 1830, for an artificial pond in a garden for growing water plants.[5]

Semantic evolution

The word became common in the 1850s, when keeping fish indoors became a fashion.[5][9] Etymonline dates the sense of a glass vessel for living water animals to 1853, and connects the Victorian craze with Philip Henry Gosse's book The Aquarium (1854).[5] According to Ayto, the new fish house at the London Zoo was first called a "Marine Vivarium" (1853) and then an "Aquatic Vivarium" (1854), and aquarium replaced both within a year or two;[9] Barnhart, who dates the word to 1854, also thinks these names prompted it.[8][12] From a tank, the word was extended to a building or institution that houses and shows collections of water life.[13][7]

Timeline

  • 1805 – first known use, according to Merriam-Webster.[7]
  • 1806 – an artificial pond or tank for water plants and animals.[2]
  • 1830 – a garden pond for growing water plants, in Etymonline.[5]
  • 1853 – a glass vessel for living water animals; the London Zoo's "Marine Vivarium".[5][9]
  • 1854 – Gosse's The Aquarium.[5][8]

Meanings

Noun

  1. A tank, bowl or pond, usually with glass sides, in which living aquatic animals and plants are kept: Their son keeps tropical fish in an aquarium in his bedroom.[13][7][2]
  2. A building or institution where collections of water animals and plants are kept and shown to the public.[13][7][3]

Word family

  • aquarial
  • aquatic
  • aquarian
  • Aquarius
  • vivarium
  • aqueous

Usage notes

The plural is aquariums or aquaria.[13][7][3]

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  3. ^ a b c d Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  4. ^ a b Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
  5. ^ a b c d e f g h i Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  6. ^ a b The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
  7. ^ a b c d e f g h Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  8. ^ a b c Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  9. ^ a b c d e Ayto, John (2005), Word Origins: The Secret Histories of English Words from A to Z, 2nd ed., London: A & C Black
  10. ^ Stevenson, Angus, ed. (2010), Oxford Dictionary of English, 3rd ed., Oxford: Oxford University Press
  11. ^ Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
  12. ^ Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
  13. ^ a b c d Collins English Dictionary (2023), Glasgow: HarperCollins