Dictionary.com

myoglobin

[ mahy-uh-gloh-bin, mahy-uh-gloh- ]
/ ˌmaɪ əˈgloʊ bɪn, ˈmaɪ əˌgloʊ- /
Save This Word!

noun Biochemistry.

hemoglobin of muscle, weighing less and carrying more oxygen and less carbon monoxide than blood hemoglobin.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Also my·o·he·mo·glo·bin [mahy-uh-hee-muh-gloh-bin, ‐hem-uh‐]. /ˌmaɪ əˈhi məˌgloʊ bɪn, ‐ˈhɛm ə‐/.

Origin of myoglobin

First recorded in 1920–25; myo- + globin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for myoglobin

myoglobin
/ (ˌmaɪəʊˈɡləʊbɪn) /

noun

a protein that is the main oxygen-carrier of muscle
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 myoglobin

myoglobin
[ mīə-glō′bĭn ]

n.

The oxygen-transporting protein of muscle, resembling blood hemoglobin in function but with only one heme as part of the molecule and with one-fourth the molecular weight.muscle hemoglobin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for myoglobin

myoglobin
[ mīə-glō′bĭn ]

An iron-containing protein found in muscle fibers, consisting of heme connected to a single peptide chain that resembles one of the subunits of hemoglobin. Myoglobin combines with oxygen released by red blood cells and transfers it to the mitochondria of muscle cells, where it is used to produce energy.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Book Your Online Tutor Now