radiolarian

(-ler′ē ən)

noun

any of several classes of one-celled deep-sea protozoans with long, slender pseudopodia and a spiny, or solid but perforated, skeleton of silica

Origin: < ModL Radiolaria < radiolus, dim. of L radius, ray (see radius): from the radiating pseudopodia

See radiolarian in American Heritage Dictionary 4

noun

Any of various marine protozoans of the order Radiolaria, having rigid siliceous skeletons and spicules.

Origin:

Origin: From New Latin Radiolāria, order name

Origin: , from Late Latin radiolus

Origin: , diminutive of Latin radius, ray

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