Definitions

1. noun

A colorless, flammable, and highly toxic liquid alcohol with the chemical formula HCHO, used as a precursor to various chemicals and plastics.

“The researchers used methanal in the production of a new type of polymer.”

2. noun

A monomer of formaldehyde, a compound used in the manufacture of resins, adhesives, and other materials.

“The chemist added methanal to the reaction mixture to create a strong adhesive.”