Hemoglobin

Alternative forms

• haemoglobin
• hæmoglobin

Origin

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

Full definition of hemoglobin

Noun

1. 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).

Derived terms

• oxyhaemoglobin, oxyhemoglobin