Hemoglobin Definition

hēmə-glōbĭn
noun
The red coloring matter of the red blood corpuscles of vertebrates, a protein yielding heme and globin on hydrolysis: it carries oxygen from the lungs to the tissues, and carbon dioxide from the tissues to the lungs.
Webster's New World
Any of various respiratory pigments found in the blood or muscle tissue of many invertebrates and in the root nodules of some plants.
Webster's New World

The iron-containing substance in red blood cells that transports oxygen 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).

Wiktionary

Other Word Forms of Hemoglobin

Noun

Singular:
hemoglobin
Plural:
hemoglobins

Origin of Hemoglobin

  • From Ancient Greek αἷμα (haima, “blood”) + Latin globus (“ball, sphere”) + -in.

    From Wiktionary

  • Ultimately short for hematinoglobulin hematin globulin

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ultimately short for hematinoglobulin hematin globulin

    From American Heritage Dictionary of the English Language, 5th Edition

Hemoglobin Is Also Mentioned In

Find Similar Words

Find similar words to hemoglobin using the buttons below.

Words Starting With

Words Ending With

Unscrambles

hemoglobin