RADIATAS

RADIATA

Ra`di*a"ta, n. pl. Etym: [NL., fr. radiatus, p. p. See Radiate.] (Zoöl.)

Definition: An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.

Note: It includes the coelenterates and the echinoderms. Formerly, the group was supposed to be a natural one, and was considered one of the grand divisions of the animal kingdom.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

25 March 2025

IMMOBILIZATION

(noun) fixation (as by a plaster cast) of a body part in order to promote proper healing; “immobilization of the injured knee was necessary”


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Coffee Trivia

There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.

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