Hydrorhiza Hy`dro*rhi"za, n.; pl. L. {Hydrorhiz[ae]}, E. {Hydrorhizas}. [NL., fr. E. hydra + Gr. ? a root.] (Zo["o]l.) The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under {Hydroidea}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • hydrorhiza — hydrorhizal, adj. /huy dreuh ruy zeuh/, n., pl. hydrorhizae / zee/. the rootlike base of a hydroid colony, by which it is attached to the substratum. [1860 65; < NL; see HYDRO 1, RHIZA] * * * …   Universalium

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