Also found in: Medical, Acronyms.


or hemat- also haemat- or haemato-
Blood: hematology.

[Greek haimato-, from haima, haimat-, blood.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or before a vowel


combining form
US variants of haemato-
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


or hema-

a combining form meaning “blood”: hemocyte.
Also, esp. before a vowel, hem-;esp. Brit., haemo-.
[< New Latin haemo-, comb. form representing Greek haîma blood]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Determination criteria of clinical effect: If hemato- ma was removed thoroughly and there were no ob- vious clinical symptoms and vital signs, then treat- ment was considered to be statistically effective; if hematoma was removed thoroughly and clinical symptoms and vital signs were relieved, then treat- ment was considered to be effective; if hematoma was not removed thoroughly and clinical symp- toms and vital signs had no obvious improvement or even aggravated, then treatment was thought to be ineffective.
Accordingly, we conducted dose-response analyses for a) lung cancer (ICD-9 162); b) upper aerodigestive tract cancers encompassing the naso-oropharyngeal regions, esophagus, and stomach (ICD-9 140-151); c) hemato- and lymphopoietic cancers (ICD-9 200-208, excluding chronic lymphatic leukemias); d) urinary-tract cancers (ICD-9 188-189); and e) prostate cancer (ICD-9 185).