/fɔːrˈmældɪhaɪd/
for·mal·de·hyde
BrE /fɔːˈmældɪhaɪd/
NAmE /fɔːrˈmældɪhaɪd/
[U]
(symbol CH2O)
a gas with a strong smell
(also specialist for·mal·in
BrE /ˈfɔːməlɪn/
NAmE /ˈfɔːrməlɪn/
)
a liquid made by mixing formaldehyde and water, used for preserving biological, making plastics and as a disinfectant specimens, making plastics and as a disinfectant