noun, noun which may take the genitive case particle 'no'
acetic acid
The main component of vinegar; a colorless liquid with a pungent smell. Used as a chemical term and in everyday references to vinegar acidity.
酢酸はお酢の主成分です。
Acetic acid is the main component of vinegar.
この溶液には酢酸が含まれている。
This solution contains acetic acid.