radiolarian

/rey-dee-oh-lair-ee-uhn/US // ˌreɪ di oʊˈlɛər i ən //UK // (ˌreɪdɪəʊˈlɛərɪən) //

放射型,放射性动物,放射状物,放射性动物学

Definitions

n.名词 noun

1
- : any minute, marine protozoan of the class Radiolaria, or, in some classification schemes, the superclass Actinopoda, having an amebalike body with radiating, filamentous pseudopodia and a usually elaborate outer skeleton.

In the Kapoewas district radiolarian cherts supposed to be of Jurassic age are met with.
True pigment-cells, belonging to the Radiolarian organism, do not occur within the central capsule.
Hence it may be supposed that a large part of the red clay consists of decomposed Radiolarian ooze.
The whole number of Radiolarian genera distinguished in that first system was forty-four.
To him a radiolarian, or any other creature, is of interest, not so much on its own account as for its associations.