1. orderly marketing agreement.

Words Nearby OMA

Other definitions for -oma (2 of 2)


plural -omas, -omata.
  1. a noun suffix used to form names of tumors, of the kind specified by the base: fibroma; melanoma.

Origin of -oma

Probably extracted from carcinoma or sarcoma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use OMA in a sentence

  • The officers warned my cowering OMA (grandma) what might await the cousin if she ever did return.

  • OMA carefully drew the little clay pots from the fire, and after they had cooled she examined them.

    The Silent Readers | William D. Lewis
  • The next day OMA made baskets lined with clay, and then, putting them on flat stones, pushed them into the heat of the fire.

    The Silent Readers | William D. Lewis
  • At the fire feast the cooking of OMA made as great an impression as the wisdom and strength of Ang.

    The Silent Readers | William D. Lewis
  • How beautiful was the ruddy brown sheen of OMA's hair and the light in her eyes as she welcomed him!

    The Silent Readers | William D. Lewis
  • All through the long cold winter Ang and OMA fed the fire, and Om grew well and strong again.

    The Silent Readers | William D. Lewis

British Dictionary definitions for -oma


n combining form
  1. indicating a tumour: carcinoma

Origin of -oma

from Greek -ōma

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 -oma


  1. A suffix meaning “tumor” or “cancer,” as in carcinoma. Often, the suffix is added to the name of the affected body part, as in lymphoma, cancer of the lymph tissue.

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