DictionaryformaldehydePungent chemical
noun

formaldehyde

for-MAL-duh-hyde/fɔːrˈmældɪhaɪd/

A strong-smelling chemical used to make resins and preserve biological tissue.

The sealed bottle of formaldehyde stands beside samples of manufactured resin.

A sealed laboratory reagent bottle labeled Formaldehyde and CH₂O contains clear liquid beside resin samples, neutral science illustration, no exposed fumes.
Etymology

The name contracts “formic aldehyde”: its “ant” element comes through formic acid, once prepared by distilling ants. Aldehyde denotes an alcohol oxidation product, here the pungent gas obtained from methyl alcohol.

In context

Amer Al-Jawabreh0:36
the formaldehyde has a concentration of 35% when preparing preservative we deal with it as if it's 100 percent and therefore we start by adding 10 ml of formaldehyde
10%Formalin preservative, buffered: detailed procedure

More examples

  • Manufacturers use formaldehyde to make resins for plywood.
  • The technician handles formaldehyde under a laboratory exhaust hood.
  • The sharp smell of formaldehyde fills the specimen room.

Similar words

methanal
The systematic chemical name for the same compound.