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

17 April 2025

SPONGE

(noun) a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used


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Coffee Trivia

According to Guinness World Records, the largest coffee shop is the Al Masaa Café, which has 1,050 seats. The coffee shop was inaugurated in Riyadh, Saudi Arabia, on 13 August 2014.

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