carbaminohemoglobin

noun

carb·​ami·​no·​he·​mo·​glo·​bin ˌkärb-ə-ˌmē-(ˌ)nō-ˈhē-mə-ˌglō-bən 

variants also carbhemoglobin

(ˈ)kärb-ˈhē-mə-ˌglō-bən 

or carbohemoglobin

ˌkär-(ˌ)bō- 

: a compound of hemoglobin with carbon dioxide

About 80 percent of the output of carbon dioxide from tissue is transported as bicarbonate, 10 percent as carbaminohemoglobin, and 10 percent in physical solution.

—Connie C.W. Hsia, The New England Journal of Medicine