radiolaria Meaning, Definition & Usage

  1. noun marine protozoa
    order Radiolaria.

WordNet

Ra`di*o*la"ri*a noun plural
Etymology
NL. See Radioli.
Definitions
  1. (Zoöl.) 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.

Webster 1913