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

  • n. An abnormal new growth of tissue in animals or plants; a tumor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An abnormal new growth of disorganized tissue in animals or plants.

from the GNU version of the Collaborative International Dictionary of English

  • n. A new formation or tissue, the product of morbid action.

from The Century Dictionary and Cyclopedia

  • n. A new growth or true tumor; a morbid growth more or less distinct histologically from the tissue in which it occurs.

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

  • n. an abnormal new mass of tissue that serves no purpose


From neo- + Ancient Greek πλάσμα (plasma, "formation"). (Wiktionary)



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