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from the GNU version of the Collaborative International Dictionary of English

  • n. heliozoans; radiolarians.

from The Century Dictionary and Cyclopedia

  • An order of Holothurioidea. The tentacles and podia are supplied by the five radial canals of the water-vascular system springing from the circular canal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. heliozoans; radiolarians


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