Wordnet polsko-angielski 
                         (an odorless very poisonous gas that is a product of incomplete combustion of carbon) 
carbon monoxide, carbon monoxide gas, CO 
synonim: czad
Słownik medyczny polsko-angielski Iwona Kienzler
                        carbon monoxide
Słownik środowiska polsko-angielski 
                        chem. carbon monoxide