ocean·​ar·​i·​um | \ ˌō-shə-ˈner-ē-əm How to pronounce oceanarium (audio) \
plural oceanariums or oceanaria\ ˌō-​shə-​ˈner-​ē-​ə How to pronounce oceanaria (audio) \

Definition of oceanarium

: a large marine aquarium

Examples of oceanarium in a Sentence

Recent Examples on the Web Discovering traveling oceanariums in Russia was a shock. Kelli Bender, PEOPLE.com, "Neglectful Sanctuaries and Poached Animals: New Report Reveals the Dark Side of Wildlife Tourism," 7 June 2019 Russia is one of only a few countries (Indonesia is another) where traveling oceanariums exist. Natasha Daly, National Geographic, "Suffering unseen: The dark truth behind wildlife tourism," 12 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oceanarium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oceanarium

1938, in the meaning defined above

History and Etymology for oceanarium

ocean + -arium (after aquarium)

Keep scrolling for more

Learn More about oceanarium

Time Traveler for oceanarium

Time Traveler

The first known use of oceanarium was in 1938

See more words from the same year

Statistics for oceanarium

Cite this Entry

“Oceanarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oceanarium. Accessed 26 Oct. 2020.

More from Merriam-Webster on oceanarium

Britannica.com: Encyclopedia article about oceanarium

Comments on oceanarium

What made you want to look up oceanarium? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!