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hydrotheca

[ hahy-druh-thee-kuh ]

noun

, Zoology.
, plural hy·dro·the·cae [hahy-dr, uh, -, thee, -kee].
  1. the part of the perisarc covering a hydranth.


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Other Words From

  • hydro·thecal adjective

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Word History and Origins

Origin of hydrotheca1

From New Latin, dating back to 1870–75; hydro- 1, theca

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hydrotaxishydrotherapeutics