What is "chromone"

n. (context organic compound English) 1,4-benzopyrone, a derivative of benzopyran with a substituted keto group on the pyran ring.

Chromone (or 1,4-benzopyrone) is a derivative of benzopyran with a substituted keto group on the pyran ring. It is an isomer of coumarin.

Derivatives of chromone are collectively known as chromones. Most, though not all, chromones are also phenylpropanoids.