Definition of formaldehyde in English:

formaldehyde

Syllabification: form·al·de·hyde
Pronunciation: /fôrˈmaldəˌhīd, fər-
 
/

noun

Chemistry
A colorless pungent gas in solution made by oxidizing methanol.
  • Alternative name: methanal; chemical formula: CH2O
More example sentences
  • Set on fire, these items release formaldehyde, polyvinyl chloride, and dioxins.
  • They are produced by the polymerization reaction of phenol and formaldehyde.
  • Bleach, ethyl alcohol, and formaldehyde can kill the virus in the environment.

Origin

late 19th century: blend of formic acid and aldehyde.

Definition of formaldehyde in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day ween
Pronunciation: wēn
verb
be of the opinion; think or suppose