hydrula

noun hy·dru·la \ˈhīdrələ\

Definition of hydrula

plural

-s

  1. 1 :  a hypothetical primitive polyp of simple type

  2. 2 :  a developmental phase of many coelenterates (as hydroids) in which they have the form of a simple polyp

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Origin and Etymology of hydrula

New Latin, diminutive of hydra (hydrozoan polyp)


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