noun.
The iron-containing respiratory pigment in red blood cells of vertebrates, consisting of about 6 percent heme and 94 percent globin.
The Century Dictionary and Cyclopedia
noun.
The red substance which forms about nine tenths of the dry constituents of the red bloodcorpuscles and serves as the carrier of oxygen in the circulation.
the GNU version of the Collaborative International Dictionary of English
noun.
Same as hemoglobin.
noun.
The normal coloring matter of the red blood corpuscles of vertebrate animals. It is composed of hematin and globulin, and is also called hæmatoglobulin. In arterial blood, it is always combined with oxygen, and is then called oxyhemoglobin. It crystallizes under different forms from different animals, and when crystallized, is called hæmatocrystallin. See Blood crystal, under blood.
noun.
The iron-containingsubstance in red blood cells that transportsoxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues
noun.
a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues
Word Usage
"The extent to which the hemoglobin is saturated with oxygen."