hydrozoa
1. [ noun ] (biology,zoology) coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
Synonyms: class_Hydrozoa
Related terms: class Cnidaria Siphonophora Sertularia genus_Hydra hydrozoan
Similar spelling:   hydrozoan
  hydroxy
  hydrous
  hydroxyzine
  hydrostatic
  hydrography
  hydrogenate
  Hydrocharis
  hydrocarbon
  hydroxyl
  hydrogen
  hydrogel