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单词 tunicate
释义

Definition of tunicate in English:

tunicate

noun ˈtjuːnɪkətˈtjuːnɪkeɪtˈt(j)unəˌkeɪt
Zoology
  • A marine invertebrate of a group which includes the sea squirts and salps. They have a rubbery or hard outer coat and two siphons to draw water into and out of the body.

    Subphylum Urochordata: three classes

    Example sentencesExamples
    • The hull here is rich in marine life - hydroids, tunicates, anemones and sponges.
    • The hull is covered with more long and delicate plumose anemones, some large white tunicates and forests of featherworms projecting into the negligible current on their long stalks.
    • Many tunicates have a larva that is free-swimming and exhibits all chordate characteristics: it has a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail.
    • Are there potential uses for antimicrobial peptides from tunicates?
    • Sea squirts are tunicates, a type of sea life with a primitive spinal cord and a firm, flexible outer covering called a ‘tunic,’ from which the name derives.
adjective ˈtjuːnɪkətˈtjuːnɪkeɪtˈt(j)unəˌkeɪt
also tunicatedBotany
  • (of a plant bulb, e.g. an onion) having concentric layers.

Origin

Mid 18th century: from Latin tunicatus, past participle of tunicare 'clothe with a tunic', from tunica (see tunica).

Rhymes

communicate, excommunicate, intercommunicate
 
 

Definition of tunicate in US English:

tunicate

nounˈt(y)o͞onəˌkātˈt(j)unəˌkeɪt
Zoology
  • A marine invertebrate of a group which includes the sea squirts and salps. They have a rubbery or hard outer coat and two siphons to draw water into and out of the body.

    Subphylum Urochordata: three classes

    Example sentencesExamples
    • Sea squirts are tunicates, a type of sea life with a primitive spinal cord and a firm, flexible outer covering called a ‘tunic,’ from which the name derives.
    • The hull is covered with more long and delicate plumose anemones, some large white tunicates and forests of featherworms projecting into the negligible current on their long stalks.
    • Many tunicates have a larva that is free-swimming and exhibits all chordate characteristics: it has a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail.
    • Are there potential uses for antimicrobial peptides from tunicates?
    • The hull here is rich in marine life - hydroids, tunicates, anemones and sponges.
adjectiveˈt(y)o͞onəˌkātˈt(j)unəˌkeɪt
usually tunicatedBotany
  • (of a plant bulb, e.g. an onion) having concentric layers.

Origin

Mid 18th century: from Latin tunicatus, past participle of tunicare ‘clothe with a tunic’, from tunica (see tunica).

 
 
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更新时间:2024/12/24 1:37:45