definition of oxyhemoglobin.
Definition of 'oxyhemoglobin'. Word Frequency. oxyhemoglobin in American English (ËÉksÉªËhimoÊËgloÊbÉªn ; Ã¤kËsihÄËmÅglÅËbin) noun. the bright-red substance that is found in the arterial blood, formed in the lungs by the loose union of hemoglobin with oxygen: it delivers its oxygen to the body tissues.