• Webster's Revised Unabridged Dictionary
    • n Hydrosoma (Zoöl) All the zooids of a hydroid colony collectively, including the nutritive and reproductive zooids, and often other kinds.
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Century Dictionary and Cyclopedia
    • n hydrosoma Pl. hydrosomata (-ma-tä). The entire body of a hydrozoan, usually compounded of several hydranths. Also hydrosome.
    • n hydrosoma [capitalized] In entomology, same as Hydrophilus.
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Chambers's Twentieth Century Dictionary
    • n Hydrosoma hī-dro-sō′ma the entire organism of any hydrozoon
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Webster's Revised Unabridged Dictionary
NL. hydrosoma,. See Hydra, and -some body