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

  • adj. Abnormal in form or development; malformed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Monster-like, exhibiting abnormal development.
  • n. An abnormal tumor similar to a teratoma.
  • n. A mutant.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Resembling a monster; abnormal; of a pathological growth, exceedingly complex or highly organized.

from The Century Dictionary and Cyclopedia

  • Resembling a monster.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From terato- + -oid


  • Jaclyn Biegel, PhD is investigating mutations in the INI1 gene that are associated with the formation of atypical teratoid/rhabdoid tumors of the brain and/or kidneys.

    Pediatric cancer research

  • It was an atypical teratoid tumor, ATRT, one of the deadliest for children.

    Through parents' grief, a window on gratitude

  • Avalanna's cancer is called atypical teratoid rhabdoid tumor ATRT and is so rare that fewer than 30 new cases are diagnosed in the US each year. | Top Stories

  • Gilbert's daughter has been diagnosed with atypical teratoid rhabdoid tumor and is receiving chemotherapy at Tulane

    HERE, THERE AND BACK AGAIN - A user blog

  • Riley, 2, was diagnosed with an atypical teratoid rhabdoid tumor in her brain on Nov. During a checkup, the doctor noticed Riley's head circumference had jumped up out of proportion with the rest of her body. | news

  • She died of an aggressive form of cancer called atypical teratoid rhabdoid tumor (ATRT).



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