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Radiata

American  
[rey-dee-ey-tuh, -ah-tuh] / ˌreɪ diˈeɪ tə, -ˈɑ tə /

noun

Biology.
  1. (in some classification systems) a major grouping that includes more or less radially symmetrical animals, as coelenterates (jellyfish, sea anemones, corals), ctenophores (comb jellies), and echinoderms (starfish, sea urchins, sea cucumbers).


Etymology

Origin of Radiata

1820–30; < New Latin, noun use of neuter plural of Latin radiātus radiate (adj.)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Eumetazoa are subdivided into radially symmetrical animals and bilaterally symmetrical animals, and are thus classified into clade Bilateria or Radiata, respectively.

From Textbooks • Jan. 1, 2015

Eumetazoans branch into Radiata, diploblastic animals with radial symmetry, and Bilateria, triploblastic animals with bilateral symmetry.

From Textbooks • Jan. 1, 2015

Radiata pine is loaded into one of two reactors at the company's plant in Arnhem in the Netherlands.

From BBC • May 6, 2011

Besides his job as ship's doctor he had the un-naval post of naturalist, and intended to keep a weather eye out for Mollusca, Acalephae, Cirripedia, epizoa, Radiata and such.

From Time Magazine Archive

A numerous class of invertehrated animals, belonging to the great division called Radiata.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir

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