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megaloblast

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

noun

Pathology.

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

megaloblast British  
/ ˈmɛɡələʊˌblɑːst, ˌmɛɡələʊˈblæstɪk /

noun

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

"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

Other Word Forms

  • megaloblastic adjective

Etymology

Origin of megaloblast

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It cannot be denied that it is often difficult to decide whether a particular cell is to be regarded as a specially small megaloblast or a large normoblast.

From Histology of the Blood Normal and Pathological by Myers, W.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.