hemoglobin

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
- "fish have simpler hemoglobin than mammals"
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).

Origin / Etymology

Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).

Synonyms

haemoglobin, Hb, HGB, Hgb

Scrabble Score: 18

hemoglobin: valid Scrabble (US) TWL Word
hemoglobin: valid Scrabble Word in Merriam-Webster MW Dictionary
hemoglobin: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 22

hemoglobin: valid Words With Friends Word