Definition of ascidian in English:


Syllabification: as·cid·i·an
Pronunciation: /əˈsidēən


  • A sea squirt.
    • Phylum Chordata, Subphylum Urochordata, class Ascidiacea
    More example sentences
    • Above, a seastar fish swims amongst a garden of ascidians and soft corals.
    • Some organisms, such as nematodes and ascidians, have a remarkably precise pattern of cell divisions in early development.
    • Boulders are infested with black tree corals, mussels, cowrie shells, soft and hard corals and ascidians.


mid 19th century: from modern Latin plural Ascidia (genus name), from Greek askidion, diminutive of askos 'wineskin'.

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