[kuh-roh-nee-uh m] /kəˈroʊ ni əm/

noun, Astronomy.
a hypothetical element once thought to exist because certain spectral lines in the emission spectrum of the solar could not be identified by known elements. These lines were subsequently found to be emitted by certain highly ionized metals.


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  • Coronoidectomy

    coronoidectomy cor·o·noid·ec·to·my (kôr’ə-noi-děk’tə-mē) n. Surgical removal of the coronoid process of the mandible.

  • Coronoid fossa

    coronoid fossa cor·o·noid fossa (kôr’ə-noid’) n. A hollow on the anterior surface of the distal end of the humerus, just above the trochlea, in which the coronoid process of the ulna rests when the elbow is flexed.

  • Coronoid process

    coronoid process n.

  • Coroplasty

    coroplasty cor·o·plas·ty (kôr’ə-plās’tē) n. See coreoplasty.

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