Definition of cetacean in English:

cetacean

Syllabification: ce·ta·cean
Pronunciation: /siˈtāSHən
 
/

noun

  • A marine mammal of the order Cetacea; a whale, dolphin, or porpoise.
    More example sentences
    • Killer whales also prey on mammals such as other cetaceans and pinnipeds, as well as on birds and large fish.
    • Odontocete cetaceans rely upon echolocation to sense the environment and detect prey.
    • Within odontocete cetaceans, variation in body design affects stability and turning performance.

adjective

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  • Relating to or denoting cetaceans.
    More example sentences
    • To work for closer integration of environmental concerns into fisheries management including a reduction in small cetacean casualties.
    • Further studies will be needed to finally identify the role of the diaphragm in cetacean ventilation.
    • No ancient DNA has yet been used for cetacean systematics.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody