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[hahy-druh-thee-kuh] /ˌhaɪ drəˈθi kə/

noun, plural hydrothecae
[hahy-druh-thee-kee] /ˌhaɪ drəˈθi ki/ (Show IPA). Zoology.
the part of the perisarc covering a hydranth.


Read Also:

  • Hydrotherapeutics

    [hahy-droh-ther-uh-pyoo-tiks] /ˌhaɪ droʊˌθɛr əˈpyu tɪks/ noun, (used with a singular verb) 1. . /ˌhaɪdrəʊˌθɛrəˈpjuːtɪks/ noun 1. (functioning as sing) the branch of medical science concerned with hydrotherapy

  • Hydrotherapy

    [hahy-druh-ther-uh-pee] /ˌhaɪ drəˈθɛr ə pi/ noun 1. the branch of therapeutics that deals with the curative use of water. 2. the treatment of physical disability, injury, or illness by immersion of all or part of the body in water to facilitate movement, promote wound healing, relieve pain, etc., usually under the supervision of a trained […]

  • Hydrothermal

    [hahy-druh-thur-muh l] /ˌhaɪ drəˈθɜr məl/ adjective, Geology. 1. noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth. /ˌhaɪdrəʊˈθɜːməl/ adjective 1. of or relating to the action of water under conditions of high temperature, esp in forming rocks and minerals adj. 1852, from hydro- + […]

  • Hydrothermal-vent

    noun, Oceanography, Geology. 1. an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare 1 (def 2). hydrothermal vent A fissure on the floor of a sea out of which flows water that has been heated by underlying magma. The water can be as hot as 400°C (752°F) and usually […]

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