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Definition of Hydrozoa
1. Noun. Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
Exact synonyms: Class Hydrozoa
Group relationships: Cnidaria, Coelenterata, Phylum Cnidaria, Phylum Coelenterata
Member holonyms: Hydroid, Hydrozoan, Genus Hydra, Order Siphonophora, Siphonophora, Genus Sertularia, Sertularia
Generic synonyms: Class
Group relationships: Cnidaria, Coelenterata, Phylum Cnidaria, Phylum Coelenterata
Member holonyms: Hydroid, Hydrozoan, Genus Hydra, Order Siphonophora, Siphonophora, Genus Sertularia, Sertularia
Generic synonyms: Class
Definition of Hydrozoa
1. n. pl. The Acalephæ; one of the classes of cœlenterates, including the Hydroidea, Discophora, and Siphonophora.
Definition of Hydrozoa
1. Noun. (biology) a large group of marine animals, of the class ''Hydrozoa'', whose life cycles contain a sexual and asexual stage ¹
¹ Source: wiktionary.com
Definition of Hydrozoa
1. hydrozoon [n] - See also: hydrozoon
Medical Definition of Hydrozoa
1.
Lexicographical Neighbors of Hydrozoa
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