Library / English Dictionary

    HYDROZOAN

    Pronunciation (US): Play  (GB): Play

    Irregular inflected form: hydrozoa  Listen to US pronunciation  Listen to GB pronunciation

     I. (noun) 

    Sense 1

    Meaning:

    Colonial coelenterates having the polyp phase dominantplay

    Synonyms:

    hydroid; hydrozoan

    Classified under:

    Nouns denoting animals

    Hypernyms ("hydrozoan" is a kind of...):

    cnidarian; coelenterate (radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms)

    Hyponyms (each of the following is a kind of "hydrozoan"):

    planula (the flat ciliated free-swimming larva of hydrozoan coelenterates)

    hydra (small tubular solitary freshwater hydrozoan polyp)

    siphonophore (a floating or swimming oceanic colony of polyps often transparent or showily colored)

    sertularian (feathery colony of long-branched stems bearing stalkless paired polyps)

    Holonyms ("hydrozoan" is a member of...):

    class Hydrozoa; Hydrozoa (coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes)

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