[ meg-uh-luh-blast ]
/ ˈmɛg ə ləˌblæst /

noun Pathology.

an abnormally large, immature, and dysfunctional red blood cell found in the blood of persons with pernicious anemia or certain other disorders.


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Origin of megaloblast

First recorded in 1895–1900; megalo- + -blast

OTHER WORDS FROM megaloblast

meg·a·lo·blas·tic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for megaloblast

British Dictionary definitions for megaloblast

/ (ˈmɛɡələʊˌblɑːst) /


an abnormally large red blood cell precursor, present in certain types of anaemia

Derived forms of megaloblast

megaloblastic (ˌmɛɡələʊˈblæstɪk), 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

Medical definitions for megaloblast

[ mĕgə-lō-blăst′ ]


An abnormally large nucleated red blood cell found especially in pernicious anemia or in certain vitamin deficiencies.

Other words from megaloblast

meg′a•lo•blastic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.