Siphonophora – מילון אנגלי-עברי
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Siphonophorae
The
Siphonophorae or
Siphonophora, the
siphonophores, are an
order of the
Hydrozoa, a class of marine
animals belonging to the phylum
Cnidaria. Although a siphonophore appears to be a single
organism, each specimen is actually a
colony composed of many individual animals. Most colonies are long, thin, transparent
pelagic floaters. Some siphonophores superficially resemble
jellyfish, one example being the
Portuguese man o' war (
Physalia physalis).
Siphonophora
Noun
1. marine colonial hydrozoans
(synonym) order Siphonophora
(hypernym) animal order
(member-holonym) Hydrozoa, class Hydrozoa
(member-meronym) siphonophore
Siphonophora
(n. pl.)
An order of pelagic Hydrozoa including species which form complex free-swimming communities composed of numerous zooids of various kinds, some of which act as floats or as swimming organs, others as feeding or nutritive zooids, and others as reproductive zooids. See Illust. under Physallia, and Porpita.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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