Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

An abnormal new mass of tissue that serves no purpose.

edit
Usage examples (38)
  • To look at the cross-section of any plan of a big city is to look at something like the section of a fibrous tumor.
  • Is he the ONLY person who thinks that a brain tumor is heartbreaking news?
  • A brain tumor is a growth of abnormal cells or the uncontrolled growth of normal cells in the brain.
  • Kennedy, now fighting an aggressive and deadly type of brain tumor, is one of Congress 'most prolific legislators.
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.