meaning of hydrozoa
1. The Acalephae; one of the classes of coelenterates, including the Hydroidea, Discophora, and Siphonophora.
2. of Hydrozoon
3. coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
Related Words
hydrozoa | hydrozoal | hydrozoan |
