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a suffix occurring in nouns that denote actions, conditions, or states (hypnosis; leukocytosis; osmosis), especially disorders or abnormal states (chlorosis; neurofibromatosis; tuberculosis).
CUDDLE UP! A COZY QUIZ ON FALL WORDS HAS ARRIVED
If autumn is your ideal season, spice up your repertoire of "fall" vocabulary with this quiz on some warm and vivid descriptive words for the season.
Question 1 of 10
Which of the following words means “to make a crackling sound; crackle”?
Words nearby -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use -osis in a sentence
The surgeons had called it something ending in osis and prescribed finally "light duty."Command|William McFee
British Dictionary definitions for -osis
suffix forming nouns
indicating a process or statemetamorphosis
indicating a diseased conditiontuberculosis Compare -iasis
indicating the formation or development of somethingfibrosis
Word Origin for -osis
from Greek, suffix used to form nouns from verbs with infinitives in -oein or -oun
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
Medical definitions for -osis
Condition; process; action:osmosis.
Diseased or abnormal condition:proptosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for -osis
A suffix that means:
Diseased condition, as in tuberculosis.
Condition or process, as in osmosis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.