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



RESET




Word of the Day

28 November 2024

SYNCRETISM

(noun) the fusion of originally different inflected forms (resulting in a reduction in the use of inflections)


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Coffee Trivia

An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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