HYDROZOAN Definition & Meaning

hydrozoan

[ hahy-druh-zoh-uhn ]

Phonetic (Standard)IPA

noun

any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.

adjective

belonging or pertaining to the Hydrozoa.

hydrozoan

/ ˌ��ɪ��əʊˈ��əʊə�� /

noun

any colonial or solitary coelenterate of the class Hydrozoa, which includes the hydra, Portuguese man-of-war, and the sertularians

adjective

of, relating to, or belonging to the Hydrozoa

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�y��vlog History and Origins

Origin of hydrozoan¹

1875–80; < New Latin Hydrozo ( a ) ( hydro- ¹, -zoa ) + -an

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Example Sentences

Examples have not been reviewed.

Unlike their fellow hydrozoa, the Portuguese man o’ war, the toxin in their tentacles isn’t strong enough to injure humans.

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"We found a large number of jellyfish in the stomachs of the amphipods, from the largest jellyfish in the fjord to tiny hydrozoans," explains Charlotte Havermans.

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Such hydrozoans form a subgroup of Cnidaria, a phylum whose members also include jellyfish and coral.

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There was a metre-tall hydrozoan, related to jellyfish, that stood like a giant flower above the ocean floor.

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Many living things, including strawberries, orchids and some jellyfish cousins called hydrozoans, propagate this way today.

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