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

  • adj. Capable of developing into only one type of cell or tissue.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having the capacity to develop into only one type of cell or tissue
  • adj. Having a single idempotent element

from The Century Dictionary and Cyclopedia

  • Powerful or effective in only one way or direction.


Sorry, no etymologies found.



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  • Having power in one way only; capable of developing only in one direction or to one end product.

    May 12, 2008