Radiolaria

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Radiolaria \Ra`di*o*la"ri*a\
     (r[=a]`d[i^]*[-o]*l[=a]"r[i^]*[.a]), n. pl. [NL. See
     {Radioli}.] (Zool.)
     Order of rhizopods, usually having a siliceous skeleton, or
     shell, and sometimes radiating spicules. The pseudopodia
     project from the body like rays. It includes the


     polycystines. See {Polycystina}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Radiolaria
       n : marine protozoa [syn: {order Radiolaria}]