from The American Heritage® Dictionary of the English Language, 4th Edition

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many marine amoeboid protozoa, of subclass Radiolaria, having filamentous pseudopodia; they have intricate silica skeletons

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to the Radiolaria.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the Radiolaria; containing or consisting of radiolarians.
  • n. Any member of the Radiolaria.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. protozoa with amoeba-like bodies and radiating filamentous pseudopods


from The American Heritage® Dictionary of the English Language, 4th Edition

From New Latin Radiolāria, order name, from Late Latin radiolus, diminutive of Latin radius, ray.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From New Latin radiolaria +‎ -an


  • The stone type quarried is unique to the Sarikaya quarry, as it can be microscopically classified as radiolarian mudstone.

    Interactive Dig Sagalassos - Geological Survey Report 1

  • The key to Haeckel's vision was a tiny undersea organism called the radiolarian, one of the earliest forms of life.

  • OTOH, how can you resist a guy who uses the word radiolarian in his lyrics?)

    your fragile aftershot shock

  • Bird's lyrics often feature archaic language - words such as radiolarian, plecostomus, dermestids, coprophagia - which he chooses mainly for their sound, but not at the expense of their meaning.

    NPR Topics: News

  • (Soundbite of music) Mr. BIRD: (Singing) (Unintelligible) radiolarian … BLOCK: What's a radiolarian?

    Andrew Bird: Words As Instruments

  • Similarly, among protists, a radiolarian may capture and ingest, more or less indifferently, a bacterium, an autotrophic flagellate, a herbivorous oligotrich ciliate, or another radiolarian (Fig 2E).

    Marine microbes

  • Here are atoms of silica, once imprisoned in a layer of flint in the subterranean darkness; later, within the fragile shell of a diatom, tossed by waves and warmed by the sun; and again entering into the exquisite structure of a radiolarian shell, that miracle of ephemeral beauty that might be the work of a fairy glass-blower with a snowflake as his pattern.

    Undersea (historical)

  • On the table was a glass model that Elizabeth assumed represented some intricate protist organism such as a marine radiolarian.

    The Golden Torc

  • From the depths of his memory there came to Kirk a biology-class vision of the long glass spike of a radiolarian, a microscopic marine animal, with protoplasm streaming along it, mindless and voracious.

    Spock Must Die

  • This type of chert contains the skeletons of innumerable radiolarian creatures. - Articles related to Rendell pushes new tax, fee hikes to fund roads, transit


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