Definitions of HB

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Definition of 'HB'

Princeton's WordNet

1. (noun) hemoglobin, haemoglobin, Hb
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"

'HB' - Nearby Entries
h-bomb hazlitt hazmat hazy hb hcfc hcg

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