carboxyhaemoglobin

/ -ˌhɛm-; kɑːˌbɒksɪˌhiːməʊˈɡləʊbɪn /

noun

1. haemoglobin coordinated with carbon monoxide, formed as a result of carbon monoxide poisoning. As carbon monoxide is bound in preference to oxygen, tissues are deprived of oxygen

Example Sentences

Toxicology tests on the Cardiff City footballer showed levels of carboxyhaemoglobin – formed in the blood when exposed to carbon monoxide – above the point generally considered to be potentially fatal.

From The Guardian