[ nee-uh-plaz-uhm ]
See synonyms for neoplasm on
  1. a new, often uncontrolled growth of abnormal tissue; tumor.

Origin of neoplasm

First recorded in 1860–65; neo- + -plasm

Other words from neoplasm

  • ne·o·plas·tic [nee-uh-plas-tik], /ˌni əˈplæs tɪk/, adjective

Words Nearby neoplasm Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use neoplasm in a sentence

British Dictionary definitions for neoplasm


/ (ˈniːəʊˌplæzəm) /

  1. pathol any abnormal new growth of tissue; tumour

Derived forms of neoplasm

  • neoplastic (ˌniːəʊˈplæstɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for neoplasm


[ ə-plăz′əm ]

  1. An abnormal growth of tissue in animals or plants. Neoplasms can be benign or malignant. Also called tumor

Other words from neoplasm

  • neoplastic adjective (nē′ə-plăstĭk)

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.