Hydrozoon definitions

Hydrozoon

• (n.) One of the Hydrozoa.
Found on http://thinkexist.com/dictionary/meaning/hydrozoon/

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Hydrozoön

Hy`dro·zo'ön noun ; plural Latin Hydrozoa , English Hydrozoöns . [ New Latin ] (Zoology) One of the Hydrozoa.
Found on http://www.encyclo.co.uk/webster/H/78

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