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actinoid

ADJECTIVE
  1. having a radial form
    starfish are actinoid--that is, they are radially symmetrical
NOUN
  1. any of a series of radioactive elements with atomic numbers 89 through 103

How To Use actinoid In A Sentence

  • Linnaeus necessitated the breaking up of that class into several very distinct classes, so more careful investigation requires the breaking up of Cuvier's "Radiata" (which succeeded the "Vermes" as a sort of zoological lumber-room) into several very distinct and well-defined new classes, of which the Acalephae, Hydrostatic Acalephae, actinoid and hydroid polypes, will form one. Life and Letters of Thomas Henry Huxley — Volume 1
  • The problem of delivering and fetching non-through wagon flows for the dedicated industrial lines distributed in actinoid shape is studied.
  • starfish are actinoid--that is, they are radially symmetrical
  • It is not to be supposed that one could occupy one's self with the animals for so long without coming to some conclusion as to their systematic place, however subsidiary to observation such considerations must always be regarded, and it seems to me (although on such matters I can of course only speak with the greatest hesitation) that just as the more minute and careful observations made upon the old "Vermes" of Linnaeus necessitated the breaking up of that class into several very distinct classes, so more careful investigation requires the breaking up of Cuvier's "Radiata" (which succeeded the "Vermes" as a sort of zoological lumber-room) into several very distinct and well-defined new classes, of which the Acalephae, Hydrostatic Acalephae, actinoid and hydroid polypes, will form one. The Life and Letters of Thomas Henry Huxley
  • This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.
  • Far more entertaining would be a tie-in with Los Alamos, and the Metallurgist Chef explaining the culinary wonders of the actinoid series, and why the Oppenheimer Diet is going to be the next big thing in weight loss. Althouse on the road.
  • There are fifteen actinoid (rare earth) elements from which fissile isotopes can be produced; uranium and thorium are the only naturally occurring actinoids. Dissident Voice
  • The problem of collecting and delivery shunting of non-through wagon flow on the actinoid private line belongs to a kind of the combinatorial optimization problems.
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