|Systematic name: methanal a colourless poisonous irritating gas with a pungent characteristic odour, made by the oxidation of methanol and used as formalin and in the manufacture of synthetic resins. Formula: HCHO|
|a scrap or morsel of food left at a meal.|
|a fool or simpleton; ninny.|
formaldehyde for·mal·de·hyde (fôr-māl'də-hīd')
A colorless, gaseous compound that is the simplest aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.
|formaldehyde (fôr-māl'də-hīd') Pronunciation Key
A colorless gas having a sharp, suffocating odor. It is used in making plastics and, when dissolved in a solution of water and methanol, to preserve biological specimens. Chemical formula: CH2O.