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hydroid

NOUN
  1. colonial coelenterates having the polyp phase dominant

How To Use hydroid In A Sentence

  • The most numerous inhabitants are hydroids and copepods.
  • In the coelenterate Obelia, the egg develops into a colonial hydroid consisting of a series of branching Hydra-like organisms called polyps.
  • There were dense walls of soft corals, sponges, anemones and hydroids, nudibranchs, creepy-crawlies and lots of fish.
  • The hull here is rich in marine life - hydroids, tunicates, anemones and sponges.
  • In studies with a microscope, Forbes had shown that hydroid jellyfish known as naked-eyed medusae reproduce not only by spewing eggs, but also by asexual budding, which he found marvelous to behold.
  • Linnaeus necessitated the breaking up of that class into several very distinct classes, so more careful investigation requires the breaking up of Cuvier's "Radiata" (which succeeded the "Vermes" as a sort of zoological lumber-room) into several very distinct and well-defined new classes, of which the Acalephae, Hydrostatic Acalephae, actinoid and hydroid polypes, will form one. Life and Letters of Thomas Henry Huxley — Volume 1
  • As the roiling backwash streamed past, it scoured around me, and when the froth cleared, there beneath my feet were multitudes of clams, all small and without hydroids.
  • 1 Each such zooid in these pelagic colonial hydroids or hydrozoans has a high degree of specialization and, although structurally similar to other solitary animals, are all attached to each other and physiologically integrated rather than living independently. Pounding The Rock
  • He and his colleagues worked primarily on hydroids and planarians.
  • Turning on our torches, the walls came alive with a thick covering of hydroids, sponges and anemones.
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