Isoindene

Noun

Definitions

1.NounA flammable polycyclic hydrocarbon with the chemical formula C9H8, composed of a cyclohexadiene ring fused with a cyclopentadiene ring.

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.