| 单词 | radiolarian |
| 释义 | radiolarian /ray'dee oh lair"ee euhn/, n. 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. [1875-80; < NL Radiolari(a) name of the group (L radiol(us) a small beam, equiv. to radi(us) RADIUS + -olus -OLE1 + -aria -ARIA) + -AN] |
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