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-osis

 - 4 dictionary results

-osis

 
Use -osis in a Sentence
a suffix occurring in nouns that denote actions, conditions, or states (hypnosis; leukocytosis; osmosis), esp. disorders or abnormal states (chlorosis; neurofibromatosis; tuberculosis).
Compare -otic.

Origin:
on the model of Gk borrowings ending in Gk -ōsis, as sklērōsis sclerosis, derived orig. from verbs ending in the formative -o- (-ō- in n. derivatives), with the suffix -sis -sis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To -osis
-osis  
suff.  

  1. Condition; process; action: osmosis.

  2. Diseased or abnormal condition: neurosis.

  3. Increase; formation: leukocytosis.


[Latin -ōsis, from Greek, n. suff.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

-osis 
suffix expressing state or condition, in medical terminology denoting "a state of disease," from L. -osis, from Gk. -osis, formed from the aorist of verbs ending in -o. It corresponds to L. -atio.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

-osis suff.

  1. Condition; process; action: osmosis.

  2. Diseased or abnormal condition: neurosis.

  3. Increase; formation: leukocytosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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