hydrozoal
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Hydrozoal — Hy dro*zo al, a. (Zo[ o]l.) Of or pertaining to the Hydrozoa. [1913 Webster] … The Collaborative International Dictionary of English
hydrozoan — n. polyp. ♦ hydrozoal, ♦ hydrozoic, a … Dictionary of difficult words
hydrozoan — n. & adj. n. any aquatic coelenterate of the class Hydrozoa of mainly marine polyp or medusoid forms, including hydra and Portuguese man of war. Etymology: mod.L Hydrozoa (as HYDRA, Gk zoion animal) * * * noun colonial coelenterates having the… … Useful english dictionary